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Li F, Zhao X, Zhang Y, Zhuang Q, Wang S, Fang X, Xu T, Li X, Chen G. Exosomal circFAM63Bsuppresses bone regeneration of postmenopausal osteoporosis via regulating miR-578/HMGA2 axis. J Orthop Res 2024; 42:1244-1253. [PMID: 38151824 DOI: 10.1002/jor.25776] [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: 11/03/2023] [Revised: 11/23/2023] [Accepted: 12/24/2023] [Indexed: 12/29/2023]
Abstract
Postmenopausal osteoporosis (PMOP) affects hundreds of millions of elderly women worldwide. The imbalance between osteoblast-mediated bone formation and osteoclast-mediated bone resorption is the key factor in the progression of PMOP. Recently, exosomal circular RNAs have been considered as critical regulators in physiological and pathological progress. However, their roles in PMOP still require further exploration. Herein, we identified that the expression of exosomal circFAM63B significantly increased in PMOP patients and is closely related to bone density. We further demonstrated that circFAM63B inhibits osteogenic differentiation of bone marrow stromal cells and bone formation in ovariectomy mice by using a combination of in vitro and in vivo experiment strategies. Mechanistically, circFAM63B promotes HMGA2 expression by inhibiting miR-578, thereby suppressing bone repair. Our study proved that exosomal circFAM63B suppresses the bone regeneration of PMOP by regulating the miR-578/HMGA2 axis, which may provide new insights into the pathogenesis and development of PMOP. Knocking down exosomal circFAM63B could be regarded as a new strategy for the treatment of PMOP.
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Affiliation(s)
- Feng Li
- Department of Spine Surgery, the First Affiliated Hospital of Weifang Medical University (Weifang People's Hospital), Weifang, China
| | - Xiaodong Zhao
- Department of Spine Surgery, the First Affiliated Hospital of Weifang Medical University (Weifang People's Hospital), Weifang, China
| | - Yang Zhang
- Department of Spine Surgery, the First Affiliated Hospital of Weifang Medical University (Weifang People's Hospital), Weifang, China
| | - Qingshan Zhuang
- Department of Spine Surgery, the First Affiliated Hospital of Weifang Medical University (Weifang People's Hospital), Weifang, China
| | - Song Wang
- Department of Spine Surgery, the First Affiliated Hospital of Weifang Medical University (Weifang People's Hospital), Weifang, China
| | - Xichi Fang
- Shenzhen Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration, Department of Orthopedic Surgery, Division of Hand& Foot and Microvascular Surgery, the First Affiliated Hospital of Southern University of Science and Technology (Shenzhen People's Hospital), Shenzhen, China
| | - Tao Xu
- Shenzhen Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration, Department of Orthopedic Surgery, Division of Hand& Foot and Microvascular Surgery, the First Affiliated Hospital of Southern University of Science and Technology (Shenzhen People's Hospital), Shenzhen, China
| | - Xiaopeng Li
- Department of Spine Surgery, the First Affiliated Hospital of Weifang Medical University (Weifang People's Hospital), Weifang, China
- Clinical College of Orthopedics, Tianjin Medical University, Tianjin, China
| | - Gaoyang Chen
- Shenzhen Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration, Department of Orthopedic Surgery, Division of Hand& Foot and Microvascular Surgery, the First Affiliated Hospital of Southern University of Science and Technology (Shenzhen People's Hospital), Shenzhen, China
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He D, Zheng S, Cao J, Deng J, Ding R, Xu Y, Cheng X. CircCOX6A1 suppresses osteogenic differentiation and aggravates osteoporosis via miR-512-3p/DYRK2 axis. Mol Biol Rep 2024; 51:636. [PMID: 38727863 DOI: 10.1007/s11033-024-09532-3] [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: 02/04/2024] [Accepted: 04/08/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND Osteoporosis (OP), characterized by compromised bone integrity and increased fracture risk, poses a significant health challenge. Circular RNAs (circRNAs) have emerged as crucial regulators in various pathophysiological processes, prompting investigation into their role in osteoporosis. This study aimed to elucidate the involvement of circCOX6A1 in OP progression and understand its underlying molecular mechanisms. The primary objective was to explore the impact of circCOX6A1 on bone marrow-derived mesenchymal stem cells (BMSCs) and its potential interactions with miR-512-3p and DYRK2. METHODS GSE161361 microarray analysis was employed to assess circCOX6A1 expression in OP patients. We utilized in vitro and in vivo models, including BMSC cultures, osteogenic differentiation assays, and an OVX-induced mouse model of OP. Molecular techniques such as quantitative RT-PCR, western blotting, and functional assays like alizarin red staining (ARS) were employed to evaluate circCOX6A1 effects on BMSC proliferation, apoptosis, and osteogenic differentiation. The interaction between circCOX6A1, miR-512-3p, and DYRK2 was investigated through dual luciferase reporter assays, RNA immunoprecipitation, and RNA pull-down assays. RESULTS CircCOX6A1 was found to be upregulated in osteoporosis patients, and its expression inversely correlated with osteogenic differentiation of BMSCs. CircCOX6A1 knockdown enhanced osteogenic differentiation, as evidenced by increased mineralized nodule formation and upregulation of osteogenic markers. In vivo, circCOX6A1 knockdown ameliorated osteoporosis progression in OVX mice. Mechanistically, circCOX6A1 acted as a sponge for miR-512-3p, subsequently regulating DYRK2 expression. CONCLUSION This study provides compelling evidence for the role of circCOX6A1 in osteoporosis pathogenesis. CircCOX6A1 negatively regulates BMSC osteogenic differentiation through the miR-512-3p/DYRK2 axis, suggesting its potential as a therapeutic target for mitigating OP progression.
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Affiliation(s)
- Dingwen He
- Department of Orthopaedics, The Second Affiliated Hospital of Nanchang University, No.1 Minde Road, Nanchang, Jiangxi, 330006, China
| | - Sikuan Zheng
- School of Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Jian Cao
- Department of Orthopaedics, The Second Affiliated Hospital of Nanchang University, No.1 Minde Road, Nanchang, Jiangxi, 330006, China
| | - Jianjian Deng
- Department of Orthopaedics, The Second Affiliated Hospital of Nanchang University, No.1 Minde Road, Nanchang, Jiangxi, 330006, China
| | - Rui Ding
- School of Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Yanjie Xu
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University, No.1 Minde Road, Nanchang, Jiangxi, 330006, China.
| | - Xigao Cheng
- Department of Orthopaedics, The Second Affiliated Hospital of Nanchang University, No.1 Minde Road, Nanchang, Jiangxi, 330006, China.
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Han J, Zhu Y, Zhang J, Kapilevich L, Zhang XA. Noncoding RNAs: the crucial role of programmed cell death in osteoporosis. Front Cell Dev Biol 2024; 12:1409662. [PMID: 38799506 PMCID: PMC11116712 DOI: 10.3389/fcell.2024.1409662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 04/26/2024] [Indexed: 05/29/2024] Open
Abstract
Osteoporosis is the most common skeletal disease characterized by an imbalance between bone resorption and bone remodeling. Osteoporosis can lead to bone loss and bone microstructural deterioration. This increases the risk of bone fragility and fracture, severely reducing patients' mobility and quality of life. However, the specific molecular mechanisms involved in the development of osteoporosis remain unclear. Increasing evidence suggests that multiple noncoding RNAs show differential expression in the osteoporosis state. Meanwhile, noncoding RNAs have been associated with an increased risk of osteoporosis and fracture. Noncoding RNAs are an important class of factors at the level of gene regulation and are mainly involved in cell proliferation, cell differentiation, and cell death. Programmed cell death is a genetically-regulated form of cell death involved in regulating the homeostasis of the internal environment. Noncoding RNA plays an important role in the programmed cell death process. The exploration of the noncoding RNA-programmed cell death axis has become an interesting area of research and has been shown to play a role in many diseases such as osteoporosis. In this review, we summarize the latest findings on the mechanism of noncoding RNA-mediated programmed cell death on bone homeostasis imbalance leading to osteoporosis. And we provide a deeper understanding of the role played by the noncoding RNA-programmed cell death axis at the gene regulatory level of osteoporosis. We hope to provide a unique opportunity to develop novel diagnostic and therapeutic approaches for osteoporosis.
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Affiliation(s)
- Juanjuan Han
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
| | - Yuqing Zhu
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
| | - Jiale Zhang
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
| | - Leonid Kapilevich
- Faculty of Physical Education, Tomsk Stаte University, Tomsk, Russia
| | - Xin-an Zhang
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
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Du X, Chen Z, Shui W. Research progress of circRNA as a biomarker of osteoporosis. Front Genet 2024; 15:1378026. [PMID: 38798702 PMCID: PMC11119285 DOI: 10.3389/fgene.2024.1378026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/17/2024] [Indexed: 05/29/2024] Open
Abstract
Osteoporosis, as a chronic metabolic bone disease, has the characteristic of insidious disease progression, which often leads to relatively delayed disease diagnosis. Therefore, early screening for osteoporosis has become a major public health challenge. The latest research indicates that circRNA is widely involved in the regulation of bone metabolism and is closely related to the occurrence and development of osteoporosis. Based on its high degree of sequence conservation and stability, circRNA has the potential to become a new clinical biomarker. The study of biomarkers is generally based on body fluid samples or adjacent tissue samples, with blood being the most commonly used, which can be divided into sources such as serum, plasma, peripheral blood monocytes, and plasma exosomes. Therefore, this article aims to review the research status of circRNA as a biomarker of osteoporosis.
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Affiliation(s)
- Xing Du
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, China
| | - Zhongyao Chen
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, China
| | - Wei Shui
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, China
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Tang L, Yuan L, Yan J, Ge J, Lian Z, Li Z. circ_0029463 promotes osteoclast differentiation by mediating miR-134-5p/Rab27a axis. J Orthop Surg Res 2024; 19:128. [PMID: 38326867 PMCID: PMC10851473 DOI: 10.1186/s13018-024-04610-5] [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: 11/10/2023] [Accepted: 02/01/2024] [Indexed: 02/09/2024] Open
Abstract
OBJECTIVE Osteoporosis is the imbalance in bone homeostasis between osteoblasts and osteoclasts. In this study, we investigated the effects of the circ_0029463/miR-134-5p/Rab27a axis on RANKL-induced osteoclast differentiation. METHODS RT-qPCR and western blotting were used to detect the expression of circ_0029463, miR-134-5p, and Rab27a in tissues from patients with osteoporosis and in RANKL-induced osteoclasts. Osteoclast differentiation was verified by TRAP staining. Osteoclast biomarkers, including NFATc1, TRAP, and CTSK, were measured. The target and regulatory relationships between circ_0029463, miR-134-5p, and the Rab27a axis were verified using RIP, dual-luciferase reporter gene, and RNA pull-down assays. RESULTS Elevated expression of circ_0029463 and Rab27a and decreased miR-134-5p expression were observed in the tissues of patients with osteoporosis, and a similar expression pattern was observed in RANKL-induced osteoclasts. Suppression of circ_0029463 expression or miR-134-5p overexpression curbed RANKL-induced osteoclast differentiation, whereas such an effect was abolished by Rab27 overexpression. circ_0029463 sponges miR-134-5p to induce Rab27a expression. CONCLUSION circ_0029463 sponges miR-134-5p to abolish its suppressive effect of miR-134-5p on Rab27a expression, thereby promoting osteoclast differentiation.
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Affiliation(s)
- Lian Tang
- Department of Orthopedics, Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Jiangyang District, Luzhou, 646000, Sichuan, People's Republic of China
| | - Lin Yuan
- Department of Clinical Skills Center, Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China
| | - Jiyuan Yan
- Department of Orthopedics, Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Jiangyang District, Luzhou, 646000, Sichuan, People's Republic of China
| | - Jianhua Ge
- Department of Orthopedics, Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Jiangyang District, Luzhou, 646000, Sichuan, People's Republic of China
| | - Zhi Lian
- Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China
| | - Zhong Li
- Department of Orthopedics, Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Jiangyang District, Luzhou, 646000, Sichuan, People's Republic of China.
- Stem Cell Immunity and Regeneration Key Laboratory of Luzhou, Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China.
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Zhang C, Li Q, Ye Z, Wang X, Zhao H, Wang Y, Zheng X. Mechanism of Circ_HECW2 regulating osteoblast apoptosis in osteoporosis by attenuating the maturation of miR-1224-5p. J Orthop Surg Res 2024; 19:40. [PMID: 38183099 PMCID: PMC10770914 DOI: 10.1186/s13018-023-04494-x] [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: 08/09/2023] [Accepted: 12/19/2023] [Indexed: 01/07/2024] Open
Abstract
BACKGROUND Osteoporosis (OP) poses a significant clinical challenge with escalating morbidity. This study explores Circ_HECW2 expression in OP patients and its regulatory role in lipopolysaccharide (LPS)-induced osteoblast apoptosis. METHODS Circ_HECW2 expression in OP patient serum and healthy controls was quantified using RT-qPCR. Diagnostic value of Circ_HECW2 for OP was assessed via ROC curve. Pearson's correlation model examined associations between indicators. Human osteoblasts HFOB1.19, treated with LPS, were analyzed for Circ_HECW2, pre-miR-1224, miR-1224-5p, and PDK2 mRNA levels. TUNEL assay determined cell apoptosis and Western blot assessed cleaved-caspase-3 protein levels. RNase R resistance assay and actinomycin D assay confirmed Circ_HECW2's cyclic structure. RNA pull-down and dual-luciferase reporter assay verified binding relationships between Circ_HECW2 and miR-1224 and between miR-1224-5p and PDK2. RESULTS Circ_HECW2 exhibited elevated expression in OP patients with diagnostic significance and a negative correlation with lumbar T-score. LPS co-culture increased Circ_HECW2 expression in HFOB1.19 cells, significantly elevating apoptosis index and cleaved-caspase-3. Circ_HECW2 downregulation inhibited HFOB1.19 apoptosis, reduced pre-miR-1224 expression, and elevated mature miR-1224-5p. Circ_HECW2 bound to pre-miR-1224, and inhibiting miR-1224-5p reversed the effect of Circ_HECW2 downregulation on osteoblast apoptosis. miR-1224-5p targeted PDK2 transcription. CONCLUSION Circ_HECW2, highly expressed in OP, holds diagnostic significance and reflects disease severity. Circ_HECW2 reduces mature miR-1224-5p by binding to pre-miR-1224, upregulating PDK2, and facilitating LPS-induced osteoblast apoptosis.
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Affiliation(s)
- Chao Zhang
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, 73000, China
| | - Qiangqiang Li
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, 73000, China
| | - Zhongduo Ye
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, 73000, China
| | - Xiong Wang
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, 73000, China
| | - Hui Zhao
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, 73000, China
| | - Yongping Wang
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, 73000, China
| | - Xingxing Zheng
- Department of Ophthalmology, The Second Hospital of Lanzhou University, No. 82 Cuiyingmen, Chengguan District, Lanzhou, 730000, Gansu, China.
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7
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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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Tu W, Zhu S, Li F, Xu C, Tu W, Chen Y. A novel link between melatonin and circ_0005753/PTBP1/TXNIP regulatory network in the modulation of osteogenic potential in mesenchymal stem cells. Chem Biol Drug Des 2024; 103:e14380. [PMID: 37890873 DOI: 10.1111/cbdd.14380] [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: 08/25/2023] [Revised: 09/25/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023]
Abstract
Labeled with pluripotent potential, the transplantation of bone marrow mesenchymal stem cells (BMSCs) is considered as a promising strategy for treating osteoporosis (OP). Melatonin (MEL) has been investigated to be an essential regulator involved in bone metabolism, as well as BMSCs differentiation. Circular RNAs (circRNAs) are a unique kind of non-coding RNA and play an important regulatory role in OP. However, whether circRNAs are implicated in the effects of MEL on BMSCs osteogenic differentiation remains largely indeterminate. Expression of circ_0005753 in human BMSCs with MEL treatment, clinical specimens diagnosed with OP, either with ovariectomy (OVX)-induced mice, was measured by RT-qPCR. Western blot was conducted to analyze protein levels of osteogenesis-related molecules (Opg, RUNX2, ALP, BMP4) and TXNIP. RNA immunoprecipitation (RIP) and RNA pull-down assays were performed to validate the binding relationship among circ_0005753, PTBP1, and TXNIP. Alkaline phosphatase (ALP) and alizarin red staining (ARS) were performed to evaluate osteogenic capacity of BMSCs. OP mouse model was established by ovariectomy, as evaluated pathologic changes via hematoxylin-eosin (HE), Masson, and Immunohistochemistry (IHC) staining. Expression of circ_0005753 was remarkably decreased during MEL-induced osteogenic differentiation of BMSCs. Interestingly, not only circ_0005753 knockdown significantly promoted osteogenic differentiation of BMSCs, but circ_0005753 overexpression also weakened osteogenic differentiation induced by MEL treatment. Mechanistically, circ_0005753 maintained the stabilization of TXNIP mRNA via recruiting PTBP1. Additionally, reinforced circ_0005753 abrogated MEL-mediated protective effects on OP pathogenesis in a mouse model. This work shows that MEL facilitates osteogenic differentiation of BMSCs via the circ_0005753/PTBP1/TXNIP axis, which may shed light on the development of a novel therapeutic strategy to prevent OP.
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Affiliation(s)
- Wei Tu
- Endocrine Department, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Shuying Zhu
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Fan Li
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Chengyun Xu
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Weiping Tu
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Yanxia Chen
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
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Li M, Cong R, Wang H, Ma C, Lv Y, Zheng Y, Zhao Y, Fu Q, Li L. What happens to the osteoporotic bone mesenchymal stem cells? Evidence from RNA sequencing. Int J Med Sci 2024; 21:95-106. [PMID: 38164361 PMCID: PMC10750345 DOI: 10.7150/ijms.88146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 10/04/2023] [Indexed: 01/03/2024] Open
Abstract
Evidence presented that osteoporosis is closely related to the dysfunction of bone mesenchymal stem cells (BMSCs). But most studies are insufficient to reveal what actually happens to the osteoporotic BMSCs. In this study, BMSCs were harvested from ovariectomized and sham-operated rats. After checking the characteristics of rat models and stem cells, the BMSCs were carried out for RNA sequencing. Part of the findings were verified that seven mRNAs (Abi3bp, Aifm3, Ccl11, Cdkn1c, Chst10, Id2, Vcam1) were significantly up-regulated in osteoporotic BMSCs while seven mRNAs (Cep63, Fgfr3, Myc, Omd, Pou2f1, Smarcal1, Timm10b) were down-regulated. In addition, potential miRNA-mRNA and lncRNA-mRNA regulatory networks were illustrated. The changes in osteoporotic BMSCs covered a large set of biological processes, including cell viability, differentiation, immunoreaction, bone repairment and estrogen defect. This study enriched the pathophysiological mechanisms of BMSCs and osteporosis, as well as provided dozens of attractive RNA targets for further treatment.
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Affiliation(s)
- Mingyang Li
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Rong Cong
- Senior Department of Obstetrics & Gynecology, the Seventh Medical Center of PLA General Hospital, Beijing, China
| | - Huadong Wang
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Chao Ma
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Yongwei Lv
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Yang Zheng
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Yantao Zhao
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Qin Fu
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Li Li
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
- Beijing Engineering Research Center of Orthopedics Implants, Beijing, China
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Yao Y, Cai X, Zhang M, Zheng Y, Fei W, Zhao M, Zheng C. Circ-Plod2 destabilizes Mpo mRNA by binding to IGF2BP2 to promote osteogenic differentiation of bone marrow mesenchymal stem cells. Eur J Pharmacol 2023; 961:176192. [PMID: 37981258 DOI: 10.1016/j.ejphar.2023.176192] [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: 07/02/2023] [Revised: 10/11/2023] [Accepted: 11/07/2023] [Indexed: 11/21/2023]
Abstract
Osteogenic differentiation, proliferation, and/or apoptosis of bone marrow mesenchymal stem cells (BMSCs) are involved in the progression of postmenopausal osteoporosis (PMO). However, circular RNA (circRNA)-mediated changes in the cellular function of BMSCs in PMO are still unclear. This study revealed the excellent ability of circ-Plod2 to promote osteogenic differentiation of BMSCs and its molecular mechanisms. In this study, ovariectomized (OVX) rats and control (Sham) rats were used to simulate PMO. Initially, we found that the expression of circ-Plod2 in OVX BMSCs is down-regulated and the expression of the Mpo gene is up-regulated by sequencing and verification. Further, we confirmed that circ-Plod2 is located in the cytoplasm and belongs to exon-type circRNA. Interestingly, circ-Plod2 promotes Mpo-dependent osteogenic differentiation of BMSCs without affecting proliferation, apoptosis, adipogenic differentiation, or chondrogenic differentiation of BMSCs. Mechanistically, we demonstrated that circ-Plod2 specifically binds IGF2BP2 to form an RNA-protein complex that destabilizes Mpo mRNA. Overexpression of circ-Plod2 in the bone marrow cavity effectively alleviated osteoporosis in OVX rats and inhibited the expression of MPO in BMSCs. Together, this study reveals that circ-Plod2 destabilizes Mpo mRNA by binding to IGF2BP2 to promote osteogenic differentiation of BMSCs to alleviate osteoporosis. The findings of this study may provide biomarkers for the diagnosis of PMO, and may also provide potential strategies for the clinical treatment of PMO.
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Affiliation(s)
- Yao Yao
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Xiaoyu Cai
- Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Meng Zhang
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Yongquan Zheng
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Weidong Fei
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Mengdan Zhao
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China.
| | - Caihong Zheng
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China.
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Li H, Wang C, Yao J, Jin Y, Song X, Meng Q, Wu J, Liu Q, Liu M, Sun H. Circ_0114581 promotes osteogenic differentiation of BMSCs via the MiR-155-5p/HNRNPA3 axis. Life Sci 2023; 333:122127. [PMID: 37769807 DOI: 10.1016/j.lfs.2023.122127] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/20/2023] [Accepted: 09/25/2023] [Indexed: 10/03/2023]
Abstract
Osteoporosis (OP) is a common metabolic bone disease characterized by deterioration of bone tissue structure, reduction of bone mass, and susceptibility to fracture. More and new suitable therapeutic targets need to be discovered. The purpose of this study was to explore the ceRNA mechanisms of circRNAs involved in osteoporosis. In this study, a competing endogenous RNA (ceRNA) regulatory network was obtained through the application of OP-related high throughput data sets. Our results provided evidence that HNRNPA3 was involved in the regulation of osteogenic differentiation in BMSCs. Testing of human bone tissues and ovariectomized mice bones proved that its expression level was negatively correlated with OP. The utilization of miRNA mimic or inhibitor proved that miR-155-5p could negatively regulate the expression of HNRNPA3, while overexpression of hsa_circ_0114581 with a circRNA overexpression vector proved that hsa_circ_0114581 could indirectly promoted HNRNPA3 expression and osteogenic differentiation by sponging hsa-miR-155-5p. A serious of luciferase reporter assay experiments further verified the binding site between miR-155-5p and HNRNPA3 and the binding site between miR-155-5p and hsa_circ_0114581. This study proved that the hsa_circ_0114581/hsa-miR-155-5p/HNRNPA3 axis was related with OP. The results reveal valuable insights into the pathogenesis of OP and noncoding RNA markers that may have a treatment role and will help to provide hypotheses for future studies.
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Affiliation(s)
- Hao Li
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China; Academy of Integrative Medicine, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China
| | - Changyuan Wang
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China
| | - Jialin Yao
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China
| | - Yue Jin
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China
| | - Xingyu Song
- Department of Orthopaedics, The First Affiliated Hospital, Dalian Medical University, No. 222, Zhongshan Road, Xigang District, Dalian 116011, China
| | - Qiang Meng
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China
| | - Jingjing Wu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China
| | - Qi Liu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China
| | - Mozhen Liu
- Department of Orthopaedics, The First Affiliated Hospital, Dalian Medical University, No. 222, Zhongshan Road, Xigang District, Dalian 116011, China.
| | - Huijun Sun
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China; Academy of Integrative Medicine, Dalian Medical University, 9 West Section, Lvshun South Road, Lvshunkou District, Dalian 116044, China.
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12
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Zhang G, Liu Z, Li Z, Zhang B, Yao P, Qiao Y. Therapeutic approach of natural products that treat osteoporosis by targeting epigenetic modulation. Front Genet 2023; 14:1182363. [PMID: 37287533 PMCID: PMC10242146 DOI: 10.3389/fgene.2023.1182363] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/26/2023] [Indexed: 06/09/2023] Open
Abstract
Osteoporosis (OP) is a metabolic disease that affects bone, resulting in a progressive decrease in bone mass, quality, and micro-architectural degeneration. Natural products have become popular for managing OP in recent years due to their minimal adverse side effects and suitability for prolonged use compared to chemically synthesized products. These natural products are known to modulate multiple OP-related gene expressions, making epigenetics an important tool for optimal therapeutic development. In this study, we investigated the role of epigenetics in OP and reviewed existing research on using natural products for OP management. Our analysis identified around twenty natural products involved in epigenetics-based OP modulation, and we discussed potential mechanisms. These findings highlight the clinical significance of natural products and their potential as novel anti-OP therapeutics.
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Affiliation(s)
- Guokai Zhang
- Binzhou Hospital of Traditional Chinese Medicine, Binzhou, China
| | - Zhenying Liu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zihan Li
- The First Affiliated Hospital of Shandong First Medical University Qianfoshan Hospital of Shandong Province, Jinan, China
| | - Bing Zhang
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Pengyu Yao
- Shandong Laboratory of Engineering Technology Suzhou Biomedical Engineering and Technology Chinese Academy of Sciences, Jinan, China
- Jinan Guoke Medical Engineering and Technology Development Company, Jinan, China
| | - Yun Qiao
- Qilu Hospital of Shandong University, Jinan, China
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13
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Anwar A, Sapra L, Gupta N, Ojha RP, Verma B, Srivastava RK. Fine-tuning osteoclastogenesis: An insight into the cellular and molecular regulation of osteoclastogenesis. J Cell Physiol 2023. [PMID: 37183350 DOI: 10.1002/jcp.31036] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 04/21/2023] [Accepted: 04/25/2023] [Indexed: 05/16/2023]
Abstract
Osteoclasts, the bone-resorbing cells, are essential for the bone remodeling process and are involved in the pathophysiology of several bone-related diseases. The extensive corpus of in vitro research and crucial mouse model studies in the 1990s demonstrated the key roles of monocyte/macrophage colony-stimulating factor, receptor activator of nuclear factor kappa B ligand (RANKL) and integrin αvβ3 in osteoclast biology. Our knowledge of the molecular mechanisms by which these variables control osteoclast differentiation and function has significantly advanced in the first decade of this century. Recent developments have revealed a number of novel insights into the fundamental mechanisms governing the differentiation and functional activity of osteoclasts; however, these mechanisms have not yet been adequately documented. Thus, in the present review, we discuss various regulatory factors including local and hormonal factors, innate as well as adaptive immune cells, noncoding RNAs (ncRNAs), etc., in the molecular regulation of the intricate and tightly regulated process of osteoclastogenesis. ncRNAs have a critical role as epigenetic controllers of osteoclast physiologic activities, including differentiation and bone resorption. The primary ncRNAs, which include micro-RNAs, circular RNAs, and long noncoding RNAs, form a complex network that affects gene transcription activities associated with osteoclast biological activity. Greater knowledge of the involvement of ncRNAs in osteoclast biological activities will contribute to the treatment and management of several skeletal diseases such as osteoporosis, osteoarthritis, rheumatoid arthritis, etc. Moreover, we further outline potential therapies targeting these regulatory pathways of osteoclastogenesis in distinct bone pathologies.
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Affiliation(s)
- Aleena Anwar
- Translational Immunology, Osteoimmunology & Immunoporosis Lab (TIOIL), Department of Biotechnology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Leena Sapra
- Translational Immunology, Osteoimmunology & Immunoporosis Lab (TIOIL), Department of Biotechnology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Navita Gupta
- Department of Allied Health Sciences, Chitkara School of Health Sciences, Chitkara University, Chandigarh, Punjab, India
| | - Rudra P Ojha
- Department of Zoology, Nehru Gram Bharati University, Prayagraj, Uttar Pradesh, India
| | - Bhupendra Verma
- Translational Immunology, Osteoimmunology & Immunoporosis Lab (TIOIL), Department of Biotechnology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Rupesh K Srivastava
- Translational Immunology, Osteoimmunology & Immunoporosis Lab (TIOIL), Department of Biotechnology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
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14
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Yang J, Wu J. Discovery of potential biomarkers for osteoporosis diagnosis by individual omics and multi-omics technologies. Expert Rev Mol Diagn 2023:1-16. [PMID: 37140363 DOI: 10.1080/14737159.2023.2208750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
INTRODUCTION Global aging has made osteoporosis an increasingly serious public health problem. Osteoporotic fractures seriously affect the quality of life of patients and increase disability and mortality rates. Early diagnosis is important for timely intervention. The continuous development of individual- and multi-omics methods is helpful for the exploration and discovery of biomarkers for the diagnosis of osteoporosis. AREAS COVERED In this review, we first introduce the epidemiological status of osteoporosis and then describe the pathogenesis of osteoporosis. Furthermore, the latest progress in individual- and multi-omics technologies for exploring biomarkers for osteoporosis diagnosis is summarized. Moreover, we clarify the advantages and disadvantages of the application of osteoporosis biomarkers obtained using the omics method. Finally, we put forward valuable views on the future research direction of diagnostic biomarkers of osteoporosis. EXPERT OPINION Omics methods undoubtedly provide greatly contribute to the exploration of diagnostic biomarkers of osteoporosis; however, in the future, the clinical validity and clinical utility of the obtained potential biomarkers should be thoroughly examined. In addition, the improvement and optimization of the detection methods for different types of biomarkers and standardization of the detection process guarantee the reliability and accuracy of the detection results.
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Affiliation(s)
- Jing Yang
- Department of Clinical Laboratory Medicine, Beijing Jishuitan Hospital, Peking University, Beijing, China
| | - Jun Wu
- Department of Clinical Laboratory Medicine, Beijing Jishuitan Hospital, Peking University, Beijing, China
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15
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Zhang M, He Y, Zhang X, Gan S, Xie X, Zheng Z, Liao J, Chen W. Engineered cell-overexpression of circular RNA hybrid hydrogels promotes healing of calvarial defects. Biomater Sci 2023; 11:1665-1676. [PMID: 36472132 DOI: 10.1039/d2bm01472f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Craniomaxillofacial bone defects seriously affect the physical and mental health of patients. Bone marrow mesenchymal stem cells (BMSCs) are "gold standard" cells used for bone repair. However, the collection of BMSCs is invasive, and the osteogenic capacity is limited with age. Human umbilical cord mesenchymal stem cells (hUCMSCs) are promising alternative seed cells for bone tissue engineering. Our group previously used high-throughput sequencing technology and bioinformatics methods to detect circ-CTTN (hsa-circ_0003376) molecules, which may play an essential role in the osteogenic differentiation of hUCMSCs. In this study, osteogenic induction in vitro showed that the overexpressing circ-CTTN (OE group) exhibits a more pronounced osteogenic phenotype. The levels of osteogenesis-related genes in the OE group were highly expressed. The gelatin-methacrylate (GelMA) hydrogel possessed excellent biocompatibility and was used to load hUCMSCs. In the rat calvarial defect, the OE group presented a larger bone healing volume and denser bone trabecular distribution than other groups. So far, the overexpression of circ-CTTN could enhance the osteogenic differentiation of hUCMSCs and accelerate bone reconstruction. Our research could provide a new strategy and a strong theoretical basis for promoting hUCMSC clinical application in bone tissue engineering.
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Affiliation(s)
- Min Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, China. .,Department of Oral Prosthodontics & Jinjiang out-patient section, West China Hospital of Stomatology, Sichuan University, China
| | - Yanjing He
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, China. .,Department of Oral Prosthodontics & Jinjiang out-patient section, West China Hospital of Stomatology, Sichuan University, China
| | - Xu Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, China.
| | - Shuaiqi Gan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, China. .,Department of Oral Prosthodontics & Jinjiang out-patient section, West China Hospital of Stomatology, Sichuan University, China
| | - Xi Xie
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, China.
| | - Zheng Zheng
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, China. .,Department of Oral Prosthodontics & Jinjiang out-patient section, West China Hospital of Stomatology, Sichuan University, China
| | - Jinfeng Liao
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, China.
| | - Wenchuan Chen
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, China. .,Department of Oral Prosthodontics & Jinjiang out-patient section, West China Hospital of Stomatology, Sichuan University, China
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16
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Abbas AA, Abdulkader HA, Giordo R, Ashour HM, Erre GL, Pintus G, Zayed H. Implications and theragnostic potentials of circular RNAs in rheumatic diseases. Int J Biol Macromol 2023; 235:123783. [PMID: 36822282 DOI: 10.1016/j.ijbiomac.2023.123783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 02/16/2023] [Indexed: 02/25/2023]
Abstract
Circular RNAs (circRNAs), a class of non-coding RNAs (ncRNAs), are highly stable and ubiquitous molecules that exhibit tissue-specific expression. Accumulating evidence has shown that aberrant expression of circRNAs can play a role in the pathogenesis of several diseases. Rheumatic diseases are a varied group of autoimmune and inflammatory disorders affecting mainly the musculoskeletal system. Notably, circRNAs, which are essential immune system gene modulators, are strongly linked to the occurrence and progression of autoimmune disorders. Here, we present and discuss the current findings concerning the roles, implications and theragnostic potentials of circRNAs in common rheumatic diseases, including ankylosing spondylitis (AS), osteoarthritis (OA), osteoporosis (OP), rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), Crohn's disease (CD), and gout. This review aims to provide new insights to support the development of novel diagnostic and therapeutic strategies for these disabling diseases.
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Affiliation(s)
- Alaa Ahmed Abbas
- Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Hadil Adnan Abdulkader
- Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Roberta Giordo
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, 505055 Dubai, United Arab Emirates
| | - Hossam M Ashour
- Department of Integrative Biology, College of Arts and Sciences, University of South Florida, St. Petersburg, FL 33701, USA
| | - Gian Luca Erre
- Rheumatology Unit, Department of Clinical and Experimental Medicine, University Hospital (AOUSS) and University of Sassari, 07100 Sassari, Italy
| | - Gianfranco Pintus
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43B, 07100 Sassari, Italy; Department of Medical Laboratory Sciences, College of Health Sciences and Sharjah Institute for Medical Research, University of Sharjah, University City Rd, Sharjah 27272, United Arab Emirates.
| | - Hatem Zayed
- Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, P.O. Box 2713, Doha, Qatar.
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CircZNF367 suppresses osteogenic differentiation of human bone marrow mesenchymal stromal/stem cells via reducing HuR-mediated mRNA stability of LRP5. Hum Cell 2023; 36:146-162. [PMID: 36169884 DOI: 10.1007/s13577-022-00798-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 09/19/2022] [Indexed: 01/07/2023]
Abstract
Osteoporosis is a highly prevalent disease characterized by bone mass loss and structural deterioration. There are evidences that altered differentiation of human bone marrow mesenchymal stromal/stem cells (hBMSCs) is a major cause for osteoporosis. Recent studies suggest that circular RNAs (circRNAs) are dysregulated in osteoporosis patients and involved in the pathogenesis of osteoporosis. In the present study, we are aimed to analyze the circRNA expression profiles in osteoporosis patients and identify potential circRNAs that involved in the differentiation of hBMSCs during osteoporosis. Transcriptome RNA-sequencing was conducted to search for differentially expressed circRNAs. Transwell assay, ARS and ALP staining, and ectopic bone formation model were performed to evaluate osteogenic differentiation of hBMSCs. RNA pull-down assay, RNA immunoprecipitation, western blot, and in vitro binding assay were conducted to evaluate the interaction of circRNAs and RNA-binding protein HuR. We found that hsa_circ_0008842 (designated as circZNF367) was upregulated in osteoporosis patients and decreased in hBMSCs during osteogenic differentiation. CircZNF367 overexpression suppressed migration, invasion and osteogenic differentiation of hBMSCs in vitro and in vivo. In comparison, knockdown of circZNF367 promoted migration, invasion and osteogenic differentiation of hBMSCs. CircZNF367 could interact with the RNA-binding protein HuR, thus reduced the mRNA stability of LRP5. Furthermore, HuR overexpression or LRP5 restoration abrogated the effects of circZNF367 overexpression on osteogenic differentiation of hBMSCs. Our results indicated that circZNF367 played a role in osteogenic differentiation of hBMSCs via reducing HuR-mediated mRNA stability of LRP5.
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Saranya I, Akshaya R, Selvamurugan N. Regulation of Wnt signaling by non-coding RNAs during osteoblast differentiation. Differentiation 2022; 128:57-66. [DOI: 10.1016/j.diff.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/10/2022] [Accepted: 10/11/2022] [Indexed: 11/03/2022]
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Hou X, Tian F. STAT3-mediated osteogenesis and osteoclastogenesis in osteoporosis. Cell Commun Signal 2022; 20:112. [PMID: 35879773 PMCID: PMC9310501 DOI: 10.1186/s12964-022-00924-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/23/2022] [Indexed: 11/10/2022] Open
Abstract
Osteoporosis is a common skeletal disease with marked bone loss, deterioration of the bone microstructure and bone fragility. An abnormal bone remodelling cycle with relatively increased bone resorption is the crucial pathophysiological mechanism. Bone remodelling is predominantly controlled by osteoblasts and osteoclasts, which are specialized cell types that are regulated by a variety of osteogenic and osteoclastic factors, including cytokines expressed within the bone microenvironment under local or systemic inflammatory conditions. Signal transducer and activator of transcription 3 (STAT3) plays a prominent role in the communication between cytokines and kinases by binding downstream gene promotors and is involved in a wide range of biological or pathological processes. Emerging evidence suggests that STAT3 and its network participate in bone remodelling and the development of osteoporosis, and this factor may be a potent target for osteoporosis treatment. This review focuses on the role and molecular mechanism of the STAT3 signalling pathway in osteogenesis, osteoclastogenesis and osteoporosis, particularly the bone-related cytokines that regulate the osteoblastic differentiation of bone marrow stromal cells and the osteoclastic differentiation of bone marrow macrophages by initiating STAT3 signalling. This review also examines the cellular interactions among immune cells, haematopoietic cells and osteoblastic/osteoclastic cells. Video abstract
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Affiliation(s)
- Xiaoli Hou
- School of Public Health, North China University of Science and Technology, Caofeidian Dis, Bohai Road 21, Tangshan, 063210, People's Republic of China
| | - Faming Tian
- School of Public Health, North China University of Science and Technology, Caofeidian Dis, Bohai Road 21, Tangshan, 063210, People's Republic of China.
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Wang J, Wang T, Zhang F, Zhang Y, Guo Y, Jiang X, Yang B. Roles of circular RNAs in osteogenic differentiation of bone marrow mesenchymal stem cells (Review). Mol Med Rep 2022; 26:227. [PMID: 35593273 PMCID: PMC9178710 DOI: 10.3892/mmr.2022.12743] [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: 02/22/2022] [Accepted: 05/10/2022] [Indexed: 11/06/2022] Open
Abstract
Bone marrow mesenchymal stem cells (BMSCs) can differentiate into osteoblasts, chondrocytes, adipocytes and even myoblasts, and are therefore defined as pluripotent cells. BMSCs have become extremely important seed cells in gene therapy, tissue engineering, cell replacement therapy and regenerative medicine due to their potential in multilineage differentiation, self‑renewal, immune regulation and other fields. Circular RNAs (circRNAs) are a class of non‑coding RNAs that are widely present in eukaryotic cells. Unlike standard linear RNAs, circRNAs form covalently closed continuous loops with no 5' or 3' polarity. circRNAs are abundantly expressed in cells and tissues, and are highly conserved and relatively stable during evolution. Numerous studies have shown that circRNAs play an important role in the osteogenic differentiation of BMSCs. Further studies on the role of circRNAs in the osteogenic differentiation of BMSCs can provide a new theoretical and experimental basis for bone tissue engineering and clinical treatment.
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Affiliation(s)
- Jicheng Wang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Tengyun Wang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Fujie Zhang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Yangyang Zhang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Yongzhi Guo
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Xin Jiang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Bo Yang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
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Circular RNA ITCH: An Emerging Multifunctional Regulator. Biomolecules 2022; 12:biom12030359. [PMID: 35327551 PMCID: PMC8944968 DOI: 10.3390/biom12030359] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 12/28/2022] Open
Abstract
In the last decade, numerous circRNAs were discovered by virtue of the RNA-Seq technique. With the deepening of experimental research, circRNAs have brought to light the key biological functions and progression of human diseases. CircRNA ITCH has been demonstrated to be a tumor suppressor in numerous cancers, and recently it was found to play an important role in bone diseases, diabetes mellitus, and cardiovascular diseases. However, the functions of circ-ITCH have not been completely understood. In this review, we comprehensively provide a conceptual framework to elucidate circ-ITCH biological functions of cell proliferation, apoptosis and differentiation, and the pathological mechanisms of inflammation, drug resistance/toxicity, and tumorigenesis. Finally, we summarize its clinical applications in various diseases. This research aimed at clarifying the role of circ-ITCH, which could be a promising therapeutic target.
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22
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Dong Q, Han Z, Tian L. Identification of Serum Exosome-Derived circRNA-miRNA-TF-mRNA Regulatory Network in Postmenopausal Osteoporosis Using Bioinformatics Analysis and Validation in Peripheral Blood-Derived Mononuclear Cells. Front Endocrinol (Lausanne) 2022; 13:899503. [PMID: 35757392 PMCID: PMC9218277 DOI: 10.3389/fendo.2022.899503] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 05/05/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Osteoporosis is one of the most common systemic metabolic bone diseases, especially in postmenopausal women. Circular RNA (circRNA) has been implicated in various human diseases. However, the potential role of circRNAs in postmenopausal osteoporosis (PMOP) remains largely unknown. The study aims to identify potential biomarkers and further understand the mechanism of PMOP by constructing a circRNA-associated ceRNA network. METHODS The PMOP-related datasets GSE161361, GSE64433, and GSE56116 were downloaded from the Gene Expression Omnibus (GEO) database and were used to obtain differentially expressed genes (DEGs). Gene ontology (GO) enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis were applied to determine possible relevant functions of differentially expressed messenger RNAs (mRNAs). The TRRUST database was used to predict differential transcription factor (TF)-mRNA regulatory pairs. Afterwards, combined CircBank and miRTarBase, circRNA-miRNA as well as miRNA-TF pairs were constructed. Then, a circRNA-miRNA-TF-mRNA network was established. Next, the correlation of mRNAs, TFs, and PMOP was verified by the Comparative Toxicogenomics Database. And expression levels of key genes, including circRNAs, miRNAs, TFs, and mRNAs in the ceRNA network were further validated by quantitative real-time PCR (qRT-PCR). Furthermore, to screen out signaling pathways related to key mRNAs of the ceRNA network, Gene Set Enrichment Analysis (GSEA) was performed. RESULTS A total of 1201 DE mRNAs, 44 DE miRNAs, and 1613 DE circRNAs associated with PMOP were obtained. GO function annotation showed DE mRNAs were mainly related to inflammatory responses. KEGG analysis revealed DE mRNAs were mainly enriched in osteoclast differentiation, rheumatoid arthritis, hematopoietic cell lineage, and cytokine-cytokine receptor interaction pathways. We first identified 26 TFs and their target mRNAs. Combining DE miRNAs, miRNA-TF/mRNA pairs were obtained. Combining DE circRNAs, we constructed the ceRNA network contained 6 circRNAs, 4 miRNAs, 4 TFs, and 12 mRNAs. The expression levels of most genes detected by qRT-PCR were generally consistent with the microarray results. Combined with the qRT-PCR validation results, we eventually identified the ceRNA network that contained 4 circRNAs, 3 miRNAs, 3 TFs, and 9 mRNAs. The GSEA revealed that 9 mRNAs participate in many important signaling pathways, such as "olfactory transduction", "T cell receptor signaling pathway", and "neuroactive ligand-receptor interaction". These pathways have been reported to the occurrence and development of PMOP. To sum up, key mRNAs in the ceRNA network may participate in the development of osteoporosis by regulating related signal pathways. CONCLUSIONS A circRNA-associated ceRNA network containing TFs was established for PMOP. The study may help further explore the molecular mechanisms and may serve as potential biomarkers or therapeutic targets for PMOP.
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Affiliation(s)
- Qianqian Dong
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China
- Clinical Research Center for Metabolic Disease, Gansu Provincial Hospital, Lanzhou, China
| | - Ziqi Han
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China
- Clinical Research Center for Metabolic Disease, Gansu Provincial Hospital, Lanzhou, China
| | - Limin Tian
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China
- Clinical Research Center for Metabolic Disease, Gansu Provincial Hospital, Lanzhou, China
- *Correspondence: Limin Tian,
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Klemmer VA, Khera N, Siegenthaler BM, Bhattacharya I, Weber FE, Ghayor C. Effect of N-Vinyl-2-Pyrrolidone (NVP), a Bromodomain-Binding Small Chemical, on Osteoblast and Osteoclast Differentiation and Its Potential Application for Bone Regeneration. Int J Mol Sci 2021; 22:ijms222011052. [PMID: 34681710 PMCID: PMC8541071 DOI: 10.3390/ijms222011052] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/05/2021] [Accepted: 10/09/2021] [Indexed: 12/15/2022] Open
Abstract
The human skeleton is a dynamic and remarkably organized organ system that provides mechanical support and performs a variety of additional functions. Bone tissue undergoes constant remodeling; an essential process to adapt architecture/resistance to growth and mechanical needs, but also to repair fractures and micro-damages. Despite bone's ability to heal spontaneously, certain situations require an additional stimulation of bone regeneration, such as non-union fractures or after tumor resection. Among the growth factors used to increase bone regeneration, bone morphogenetic protein-2 (BMP2) is certainly the best described and studied. If clinically used in high quantities, BMP2 is associated with various adverse events, including fibrosis, overshooting bone formation, induction of inflammation and swelling. In previous studies, we have shown that it was possible to reduce BMP2 doses significantly, by increasing the response and sensitivity to it with small molecules called "BMP2 enhancers". In the present study, we investigated the effect of N-Vinyl-2-pyrrolidone (NVP) on osteoblast and osteoclast differentiation in vitro and guided bone regeneration in vivo. We showed that NVP increases BMP2-induced osteoblast differentiation and decreases RANKL-induced osteoclast differentiation in a dose-dependent manner. Moreover, in a rabbit calvarial defect model, the histomorphometric analysis revealed that bony bridging and bony regenerated area achieved with NVP-loaded poly (lactic-co-glycolic acid (PLGA) membranes were significantly higher compared to unloaded membranes. Taken together, our results suggest that NVP sensitizes BMP2-dependent pathways, enhances BMP2 effect, and inhibits osteoclast differentiation. Thus, NVP could prove useful as "osteopromotive substance" in situations where a high rate of bone regeneration is required, and in the management of bone diseases associated with excessive bone resorption, like osteoporosis.
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Affiliation(s)
- Viviane A. Klemmer
- Oral Biotechnology and Bioengineering, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland; (V.A.K.); (N.K.); (B.M.S.); (I.B.)
| | - Nupur Khera
- Oral Biotechnology and Bioengineering, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland; (V.A.K.); (N.K.); (B.M.S.); (I.B.)
| | - Barbara M. Siegenthaler
- Oral Biotechnology and Bioengineering, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland; (V.A.K.); (N.K.); (B.M.S.); (I.B.)
| | - Indranil Bhattacharya
- Oral Biotechnology and Bioengineering, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland; (V.A.K.); (N.K.); (B.M.S.); (I.B.)
| | - Franz E. Weber
- Oral Biotechnology and Bioengineering, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland; (V.A.K.); (N.K.); (B.M.S.); (I.B.)
- Center for Applied Biotechnology and Molecular Medicine, University of Zurich, 8057 Zurich, Switzerland
- Correspondence: (F.E.W.); (C.G.)
| | - Chafik Ghayor
- Oral Biotechnology and Bioengineering, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland; (V.A.K.); (N.K.); (B.M.S.); (I.B.)
- Correspondence: (F.E.W.); (C.G.)
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Chen W, Zhang B, Chang X. Emerging roles of circular RNAs in osteoporosis. J Cell Mol Med 2021; 25:9089-9101. [PMID: 34490735 PMCID: PMC8500962 DOI: 10.1111/jcmm.16906] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/21/2021] [Accepted: 08/24/2021] [Indexed: 02/06/2023] Open
Abstract
Osteoporosis is one bone disease characterized with skeletal impairment, bone strength reduced and fracture risk enhanced. The regulation processes of bone metabolism are associated with several factors such as mechanical stimulation, epigenetic regulation and hormones. However, the mechanism of osteoporosis remains unsatisfactory. Increasing high‐throughput RNA sequencing and circular RNAs (circRNAs) microarray studies indicated that circRNAs are differentially expressed in osteoporosis. Growing functional studies further pinpointed specific deregulated expressed circRNAs (e.g., circ_28313, circ_0016624, circ_0006393, circ_0076906 and circ_0048211) for their functions involved in bone metabolism, including bone marrow stromal cells (BMSCs) differentiation, proliferation and apoptosis. Moreover, CircRNAs (circ_0002060, Circ_0001275 and Circ_0001445) may be acted as diagnostic biomarkers for osteoporosis. This review discussed recent progresses in the circRNAs expression profiling analyses and their potential functions in regulating BMSCs differentiation, proliferation and apoptosis.
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Affiliation(s)
- Weichun Chen
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Baozhong Zhang
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiao Chang
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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