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Zhang X, Liu Q, Zhang J, Song C, Han Z, Wang J, Shu L, Liu W, He J, Wang P. The emerging role of lncRNAs in osteoarthritis development and potential therapy. Front Genet 2023; 14:1273933. [PMID: 37779916 PMCID: PMC10538550 DOI: 10.3389/fgene.2023.1273933] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 09/04/2023] [Indexed: 10/03/2023] Open
Abstract
Osteoarthritis impairs the functions of various joints, such as knees, hips, hands and spine, which causes pain, swelling, stiffness and reduced mobility in joints. Multiple factors, including age, joint injuries, obesity, and mechanical stress, could contribute to osteoarthritis development and progression. Evidence has demonstrated that genetics and epigenetics play a critical role in osteoarthritis initiation and progression. Noncoding RNAs (ncRNAs) have been revealed to participate in osteoarthritis development. In this review, we describe the pivotal functions and molecular mechanisms of numerous lncRNAs in osteoarthritis progression. We mention that long noncoding RNAs (lncRNAs) could be biomarkers for osteoarthritis diagnosis, prognosis and therapeutic targets. Moreover, we highlight the several compounds that alleviate osteoarthritis progression in part via targeting lncRNAs. Furthermore, we provide the future perspectives regarding the potential application of lncRNAs in diagnosis, treatment and prognosis of osteoarthritis.
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Affiliation(s)
- Xiaofeng Zhang
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Qishun Liu
- Department of Orthopedics, Zhejiang Medical & Health Group Hangzhou Hospital, Hang Gang Hospital, Hangzhou, China
| | - Jiandong Zhang
- Department of Orthopedics and Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Caiyuan Song
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Zongxiao Han
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Jinjie Wang
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Lilu Shu
- Zhejiang Zhongwei Medical Research Center, Department of Medicine, Hangzhou, Zhejiang, China
| | - Wenjun Liu
- Zhejiang Zhongwei Medical Research Center, Department of Medicine, Hangzhou, Zhejiang, China
| | - Jinlin He
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Peter Wang
- Zhejiang Zhongwei Medical Research Center, Department of Medicine, Hangzhou, Zhejiang, China
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2
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Sun H, Li Z, Liu N, Xu T, Hu K, Shao Y, Chen X. Long Non-coding RNA SNHG7 Suppresses Inflammation and Apoptosis of Chondrocytes Through Inactivating of p38 MAPK Signaling Pathway in Osteoarthritis. Mol Biotechnol 2023:10.1007/s12033-023-00856-2. [PMID: 37632672 DOI: 10.1007/s12033-023-00856-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 08/08/2023] [Indexed: 08/28/2023]
Abstract
This study aims to explore the molecular mechanism of LncRNA SNHG7 in Osteoarthritis (OA). Cartilage tissues of OA patients or patients with trauma or amputation were collected. Compared to normal cartilage tissues, SNHG7 was downregulated while miR-324-3p was upregulated in cartilage tissues of OA patients. IL-1β was used to induce damage to chondrocytes and treatment with IL-1β reduced SNHG7 expression in OA chondrocytes. In IL-1β-treated OA chondrocytes, SNHG7 overexpression reduced the levels of TNF-α and IL-6, inhibited cell apoptosis, and increased cell viability. Additionally, the luciferase reporter assay proved that SNHG7 upregulated dual-specificity phosphatase 1 (DUSP1) by sponging miR-324-3p, thereby inactivating the p38 MAPK signaling pathway by regulating the miR-324-3p/DUSP1 axis. Anisomycin (a p38 MAPK activator) enhanced OA chondrocytes inflammation, promoted cell apoptosis, and reduced cell viability; however, this was reversed by SNHG7 overexpression. This study demonstrates that the SNHG7/miR-324-3p/DUSP1 axis suppresses OA chondrocytes inflammation and apoptosis by inhibiting the p38 MAPK signaling pathway. Thus, this study indicates that SNHG7 is a novel target for OA treatment.
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Affiliation(s)
- Heyan Sun
- Department of Orthopedics, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, Anhui, 230022, China
| | - Zhenwei Li
- Department of Orthopedics, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, Anhui, 230022, China
| | - Nannan Liu
- Department of Histology and Embrology, Anhui Medical University, No.81 meishan Road, Hefei, Anhui, 230032, China
| | - Tao Xu
- School of Pharmacy, Anhui Medical University, No.81 meishan Road, Hefei, Anhui, 230032, China
| | - Kongzu Hu
- Department of Orthopedics, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, Anhui, 230022, China
| | - Yubao Shao
- Department of Histology and Embrology, Anhui Medical University, No.81 meishan Road, Hefei, Anhui, 230032, China
| | - Xiaoyu Chen
- Department of Histology and Embrology, Anhui Medical University, No.81 meishan Road, Hefei, Anhui, 230032, China.
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Ji ML, Li Z, Hu XY, Zhang WT, Zhang HX, Lu J. Dynamic chromatin accessibility tuning by the long noncoding RNA ELDR accelerates chondrocyte senescence and osteoarthritis. Am J Hum Genet 2023; 110:606-624. [PMID: 36868238 PMCID: PMC10119164 DOI: 10.1016/j.ajhg.2023.02.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 02/10/2023] [Indexed: 03/05/2023] Open
Abstract
Epigenetic reprogramming plays a critical role in chondrocyte senescence during osteoarthritis (OA) pathology, but the underlying molecular mechanisms remain to be elucidated. Here, using large-scale individual datasets and genetically engineered (Col2a1-CreERT2;Eldrflox/flox and Col2a1-CreERT2;ROSA26-LSL-Eldr+/+ knockin) mouse models, we show that a novel transcript of long noncoding RNA ELDR is essential for the development of chondrocyte senescence. ELDR is highly expressed in chondrocytes and cartilage tissues of OA. Mechanistically, exon 4 of ELDR physically mediates a complex consisting of hnRNPL and KAT6A to regulate histone modifications of the promoter region of IHH, thereby activating hedgehog signaling and promoting chondrocyte senescence. Therapeutically, GapmeR-mediated silencing of ELDR in the OA model substantially attenuates chondrocyte senescence and cartilage degradation. Clinically, ELDR knockdown in cartilage explants from OA-affected individuals decreased the expression of senescence markers and catabolic mediators. Taken together, these findings uncover an lncRNA-dependent epigenetic driver in chondrocyte senescence, highlighting that ELDR could be a promising therapeutic avenue for OA.
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Affiliation(s)
- Ming-Liang Ji
- The Center of Joint and Sports Medicine, Orthopedics Department, Zhongda Hospital, Southeast University, Nanjing, China.
| | - Zhuang Li
- The Center of Joint and Sports Medicine, Orthopedics Department, Zhongda Hospital, Southeast University, Nanjing, China
| | - Xin Yue Hu
- The Center of Joint and Sports Medicine, Orthopedics Department, Zhongda Hospital, Southeast University, Nanjing, China
| | - Wei Tuo Zhang
- The Center of Joint and Sports Medicine, Orthopedics Department, Zhongda Hospital, Southeast University, Nanjing, China
| | - Hai Xiang Zhang
- The Center of Joint and Sports Medicine, Orthopedics Department, Zhongda Hospital, Southeast University, Nanjing, China
| | - Jun Lu
- The Center of Joint and Sports Medicine, Orthopedics Department, Zhongda Hospital, Southeast University, Nanjing, China.
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4
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Zhao D, Chen H, Zhong J, Zhou X, Zhang J, Zhang Y. circRNA-ZCCHC14 affects the chondrogenic differentiation ability of peripheral blood-derived mesenchymal stem cells by regulating GREM1 through miR-181a. Sci Rep 2023; 13:2889. [PMID: 36804426 PMCID: PMC9938902 DOI: 10.1038/s41598-023-29561-5] [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: 09/24/2022] [Accepted: 02/07/2023] [Indexed: 02/20/2023] Open
Abstract
circRNAs play an important role in the progression of osteoarthritis (OA). Therefore, we aimed to reveal the mechanism of action of circRNA-ZCCHC14 in OA. OA animal and cell models were constructed, and clinical samples were collected. The expression of circRNA-ZCCHC14 and miR-181a was detected by RT‒qPCR. The chondrogenic differentiation ability of peripheral blood-derived mesenchymal stem cells (PBMSCs) was detected by Alcian blue staining. The expression of chondrogenic differentiation-related proteins was detected by Western blotting. Double fluorescein experiments verified the targeting relationship of miR-181a with circRNA-ZCCHC14 and GREM1. Upregulation of circRNA-ZCCHC14 was observed in blood, in BMP-2- and TGF-β3-treated PBMSCs from OA patients and in animal models. Knockdown of circRNA-ZCCHC14 promoted the chondrogenic differentiation ability of PBMSCs. circRNA-ZCCHC14 was found to bind to miR-181a and negatively regulate miR-181a expression. Inhibition of miR-181a reversed the promoting effect of circRNA-ZCCHC14 knockdown on the chondrogenic differentiation ability of PBMSCs. GREM1 was identified as a target of miR-181a. Overexpression and knockdown of GREM1 regulated the expression of BMP2, which in turn affected the chondrogenic differentiation ability of PBMSCs, indicating that GREM1 and BMP2 have antagonistic effects and that they jointly regulate the chondrogenic differentiation of PBMSCs. circRNA-ZCCHC14 may promote the chondrogenic differentiation ability of PBMSCs by regulating miR-181a and inhibiting the expression of GREM1.
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Affiliation(s)
- Daohong Zhao
- Department of Orthopaedics, The Second Affiliated Hospital of Kunming Medical University, Kunming, China.
| | - Hong Chen
- Department of Sports Medicine, The First People’s Hospital of Kunming City, Kunming, China
| | - Jia Zhong
- Department of Orthopaedics, The People’s Hospital of XiShuangBanNa State, Jinghong, China
| | - Xizong Zhou
- Department of Orthopaedics, The People’s Hospital of YanJing County, Zhaotong, China
| | - Jun Zhang
- grid.415444.40000 0004 1800 0367Department of Orthopaedics, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yuhao Zhang
- grid.415444.40000 0004 1800 0367Department of Orthopaedics, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
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Wang Z, Liu B, Ma X, Wang Y, Han W, Xiang L. lncRNA ZFAS1 promotes intervertebral disc degeneration by upregulating AAK1. Open Med (Wars) 2022; 17:1973-1986. [PMID: 36561842 PMCID: PMC9743196 DOI: 10.1515/med-2022-0530] [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: 02/17/2022] [Revised: 06/29/2022] [Accepted: 07/08/2022] [Indexed: 12/13/2022] Open
Abstract
We investigated the function of lncRNA zinc finger antisense 1 (ZFAS1) in intervertebral disc degeneration (IDD) progression in vitro and in vivo. Nucleus pulposus (NP) tissues were obtained from 20 patients with IDD. IL-1β was used to stimulate primary NP cells to establish the IDD models in vitro. Gene expression was determined by RT-qPCR. 5-Ethynyl-2'-deoxyuridine and flow cytometry were performed to determine cell proliferation and apoptosis, and western blotting was conducted to measure the apoptosis- and extracellular matrix (ECM)-related protein expression. Luciferase reporter assay was used to examine the interactions between the genes. We also investigated the effect of ZFAS1 in a mouse model of IDD induced by needle punctures. Our results showed that ZFAS1 expression was elevated in degenerative NP tissues and IL-1β-treated NP cells. ZFAS1 knockdown inhibited NP cell apoptosis and ECM degradation induced by IL-1β. Mechanically, ZFAS1 sponged miR-4711-5p and adaptor-associated kinase 1 (AAK1) was targeted by miR-4711-5p. Furthermore, AAK1 overexpression partially eliminated the impact of ZFAS1 depletion on NP cell proliferation, apoptosis, and ECM degradation. More importantly, the results of the in vivo studies confirmed the effect of silencing ZFAS1 on alleviating the symptoms of IDD mice. Overall, silencing ZFAS1 inhibits IDD progression by reducing NP cell apoptosis and ECM degradation through the miR-4711-5p/AAK1 axis.
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Affiliation(s)
- Zheng Wang
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning, China
| | - Bin Liu
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning, China
| | - Xiangyu Ma
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning, China
| | - Yu Wang
- Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning, China
| | - Wenfeng Han
- Department of Orthopedics, General Hospital of Northern Theater Command, No. 83 Wenhua
Road, Shenyang 110016, Liaoning, China
| | - Liangbi Xiang
- Department of Orthopedics, General Hospital of Northern Theater Command, No. 83 Wenhua
Road, Shenyang 110016, Liaoning, China
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Wang R, Shiu HT, Lee WYW. Emerging role of lncRNAs in osteoarthritis: An updated review. Front Immunol 2022; 13:982773. [PMID: 36304464 PMCID: PMC9593085 DOI: 10.3389/fimmu.2022.982773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/08/2022] [Indexed: 11/22/2022] Open
Abstract
Osteoarthritis (OA) is a prevalent joint disease, which is associated with progressive articular cartilage loss, synovial inflammation, subchondral sclerosis and meniscus injury. The molecular mechanism underlying OA pathogenesis is multifactorial. Long non-coding RNAs (lncRNAs) are non-protein coding RNAs with length more than 200 nucleotides. They have various functions such as modulating transcription and protein activity, as well as forming endogenous small interfering RNAs (siRNAs) and microRNA (miRNA) sponges. Emerging evidence suggests that lncRNAs might be involved in the pathogenesis of OA which opens up a new avenue for the development of new biomarkers and therapeutic strategies. The purpose of this review is to summarize the current clinical and basic experiments related to lncRNAs and OA with a focus on the extensively studied H19, GAS5, MALAT1, XIST and HOTAIR. The potential translational value of these lncRNAs as therapeutic targets for OA is also discussed.
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Affiliation(s)
- Rongliang Wang
- Department of Orthopaedics and Traumatology, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
- SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Center of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong, China
| | - Hoi Ting Shiu
- Department of Orthopaedics and Traumatology, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Wayne Yuk Wai Lee
- Department of Orthopaedics and Traumatology, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
- SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Center of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong, China
- *Correspondence: Wayne Yuk Wai Lee,
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7
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Wang G, He L, Xiang Y, Jia D, Li Y. Long noncoding and micro-RNA expression in a model of articular chondrocyte degeneration induced by stromal cell-derived factor-1. ASIAN BIOMED 2022; 16:169-179. [PMID: 37551168 PMCID: PMC10321185 DOI: 10.2478/abm-2022-0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Background Gene regulatory network analysis has found that long noncoding ribonucleic acids (lncRNAs) are strongly associated with the pathogenesis of osteoarthritis. Objectives To determine the differential expression of lncRNAs and microRNAs (miRNAs) in normal chondrocytes and those from a model of articular chondrocyte degeneration. Methods Chondrocytes were cultured from cartilage obtained from patients diagnosed with osteoarthritis of the knee. Stromal cell-derived factor-1 (SDF-1) was used to induce their degeneration. Total RNA was extracted, analyzed, amplified, labeled, and hybridized on a chip to determine expression. The set of enriched differentially expressed miRNAs was analyzed by gene ontology and the Kyoto Encyclopedia of Genes and Genomes to describe the functional properties of the key biological processes and pathways. We conducted a bioinformatics analysis using Cytoscape to elucidate the interactions between miRNAs and proteins. Results We found that the expression of 186 lncRNAs was significantly different in the model of chondrocyte degeneration, in which 88 lncRNAs were upregulated, and 98 were downregulated. Expression of 684 miRNAs was significantly different. Analysis of the protein-protein interaction (PPI) network indicated that the genes for CXCL10, ISG15, MYC, MX1, OASL, IFIT1, RSAD2, MX2, IFI44L, and BST2 are the top 10 core genes, identifying the most important functional modules to elucidate the differential expression of miRNAs. Conclusions These data may provide new insights into the molecular mechanisms of chondrocyte degeneration in osteoarthritis, and the identification of lncRNAs and miRNAs may provide potential targets for the differential diagnosis and therapy of osteoarthritis.
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Affiliation(s)
- Guoliang Wang
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
- Kunming Medical University, Kunming, Yunnan650032, China
| | - Lu He
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
| | - Yaoyu Xiang
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
| | - Di Jia
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
| | - Yanlin Li
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
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Zhang Z, Yang P, Wang C, Tian R. LncRNA CRNDE hinders the progression of osteoarthritis by epigenetic regulation of DACT1. Cell Mol Life Sci 2022; 79:405. [PMID: 35802196 PMCID: PMC11072342 DOI: 10.1007/s00018-022-04427-7] [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: 08/16/2021] [Revised: 06/10/2022] [Accepted: 06/13/2022] [Indexed: 11/25/2022]
Abstract
Osteoarthritis (OA) is mainly characterized by articular cartilage degeneration, synovial fibrosis, and inflammation. LncRNA CRNDE (colorectal neoplasia differentially expressed) has been reported to be down-regulated in age-related OA, but its role in injury-induced OA needs to be further explored. In this study, an OA rat model was established using anterior cruciate ligament transection, and the adenovirus-mediated CRNDE overexpression (Ad-CRNDE) or DACT1 (dapper antagonist of catenin-1) interference (sh-DACT1) vectors were administered by intraarticular injection. Moreover, chondrocyte‑like ATDC5 cells were treated with IL-1β (10 ng/mL) to simulate OA conditions in vitro. We found that overexpression of CRNDE alleviated cartilage damage and synovitis in OA rats, and suppressed IL-1β-induced apoptosis, inflammation, and extracellular matrix (ECM) degradation in chondrocyte‑like ATDC5 cells, while silencing DACT1 effectively antagonized the protective effect of CRNDE both in vivo and in vitro. Mechanism studies revealed that DACT1 could act as a downstream target of CRNDE. By recruiting p300, CRNDE promoted the enrichment of H3K27ac in the DACT1 promoter, thus promoting DACT1 transcription. In addition, CRNDE hindered the activation of the Wnt/β-catenin pathway in IL-1β-stimulated cells by inducing DACT1 expression. In conclusion, CRNDE promoted DACT1 expression through epigenetic modification and restrained the activation of Wnt/β-catenin signaling to impede the progression of OA.
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Affiliation(s)
- Ziqi Zhang
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, China.
- Department of Sports Injury, Xi'an Honghui Hospital, Xi'an, China.
| | - Pei Yang
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, China
| | - Chunsheng Wang
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, China
| | - Run Tian
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, China
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Okuyan HM, Begen MA. LncRNAs in Osteoarthritis. Clin Chim Acta 2022; 532:145-163. [PMID: 35667478 DOI: 10.1016/j.cca.2022.05.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 05/29/2022] [Accepted: 05/31/2022] [Indexed: 11/27/2022]
Abstract
Osteoarthritis (OA) is a progressive joint disease that affects millions of older adults around the world. With increasing rates of incidence and prevalence worldwide, OA has become an enormous global socioeconomic burden on healthcare systems. Long non-coding ribonucleic acids (lncRNAs), essential functional molecules in many biological processes, are a group of non-coding RNAs that are greater than approximately 200 nucleotides in length. Fast-growing and recent developments in lncRNA research are captivating and represent a novel and promising field in understanding the complexity of OA pathogenesis. The involvement of lncRNAs in OA's pathological processes and their altered expressions in joint tissues, blood and synovial fluid make them attractive candidates for the diagnosis and treatment of OA. We focus on the recent advances in major regulator mechanisms of lncRNAs in the pathophysiology of OA and discuss potential diagnostic and therapeutic uses of lncRNAs for OA. We investigate how upregulation or downregulation of lncRNAs influences the pathogenesis of OA and how we can use lncRNAs to elucidate the molecular mechanism of OA. Furthermore, we evaluate how we can use lncRNAs as a diagnostic marker or therapeutic target for OA. Our study not only provides a comprehensive review of lncRNAs regarding OA's pathogenesis but also contributes to the elucidation of its molecular mechanisms and to the development of diagnostic and therapeutic approaches for OA.
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Affiliation(s)
- Hamza Malik Okuyan
- Biomedical Engineering, Physiotherapy and Rehabilitation, Faculty of Health Sciences, Sakarya University of Applied Sciences, Sakarya, Turkey; Ivey Business School, Epidemiology and Biostatistics - Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada.
| | - Mehmet A Begen
- Ivey Business School, Epidemiology and Biostatistics - Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada.
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He JY, Cheng M, Ye JL, Peng CH, Chen J, Luo B, Zhang XY, Fu Q. YY1-induced lncRNA XIST inhibits cartilage differentiation of BMSCs by binding with TAF15 to stabilizing FUT1 expression. Regen Ther 2022; 20:41-50. [PMID: 35402663 PMCID: PMC8968204 DOI: 10.1016/j.reth.2022.02.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/22/2022] [Accepted: 02/15/2022] [Indexed: 12/17/2022] Open
Abstract
Introduction The functional roles and mechanism of the XIST in osteoarthritis and the chondrogenic differentiation of BMSCs were clarified. Methods The expression levels of XIST, TAF15, FUT1 and YY1 were detected through quantitative RT-PCR. The protein expression of Sox9, ACAN, COL2A1 and FUT1 were detected by western blot and immunohistochemistry. The damage of cartilage tissue was detected by HE staining, and Safranin O-fast green. Alcian-Blue and Alizarin red S staining were performed to evaluate BMSCs chondrogenic differentiation. The relationship between XIST and TAF15, XIST and TAF15 were analyzed by RNA immunoprecipitation assay. Luciferase reporter assays and chromatin immunoprecipitation were performed to detect the interaction relationship between XIST and YY1. In addition, osteoarthritis mice were built to assess the function of XIST in vivo. Results The levels of XIST, TAF15 and FUT1 were upregulated in cartilage tissues from osteoarthritis patient. The level of XIST was decreased in BMSCs during chondrogenic differentiation. XIST overexpression inhibited the chondrogenic differentiation of BMSCs. Moreover, silencing of FUT1 reversed the effects of XIST overexpression on BMSCs chondrogenic differentiation. Mechanistically, in BMSCs, YY1 induced the expression of XIST in BMSCs, and XIST regulated FUT1 mRNA stability through targeting TAF15. Furthermore, silencing of XIST alleviated the symptoms of cartilage injury in OA mice. Conclusion Taken together, these results suggested that YY1 induced XIST was closely related to the chondrogenic differentiation of BMSCs and the progression of osteoarthritis by TAF15/FUT1 axis, and may be a new OA therapeutic target. XIST and TAF15 expression were upregulated in osteoarthritis. Overexpression of XIST suppressed the chondrogenic differentiation of BMSCs. XIST regulated BMSCs chondrogenic differentiation through enhancing FUT1 mRNA stability via TAF15. XIST silencing relieved cartilage damage in OA mice.
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Affiliation(s)
- Jian-Ying He
- Orthopedics Department, JiangXi Provinvcial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi Province, PR China
| | - Min Cheng
- Orthopedics Department, People's Hospital of Poyang County, Shangrao, 333100, Jiangxi Province, PR China
| | - Jia-Lian Ye
- Orthopedics Department, People's Hospital of Poyang County, Shangrao, 333100, Jiangxi Province, PR China
| | - Chuan-Hua Peng
- Orthopedics Department, People's Hospital of Poyang County, Shangrao, 333100, Jiangxi Province, PR China
| | - Jian Chen
- Orthopedics Department, People's Hospital of Poyang County, Shangrao, 333100, Jiangxi Province, PR China
| | - Bin Luo
- Orthopedics Department, People's Hospital of Poyang County, Shangrao, 333100, Jiangxi Province, PR China
| | - Xian-Yu Zhang
- Orthopedics Department, Shangrao People's Hospital, Shangrao, 333400, Jiangxi Province, PR China
| | - Qiang Fu
- Department of Rheumatology, JiangXi Provinvcial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi Province, PR China
- Corresponding author. Department of Rheumatology, JiangXi Provinvcial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, No. 92, Aiguo Road, Donghu District, Nanchang, 330006, Jiangxi Province, PR China.
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11
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Epigenetic Regulation of Chondrocytes and Subchondral Bone in Osteoarthritis. Life (Basel) 2022; 12:life12040582. [PMID: 35455072 PMCID: PMC9030470 DOI: 10.3390/life12040582] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/30/2022] [Accepted: 04/04/2022] [Indexed: 12/24/2022] Open
Abstract
The aim of this review is to provide an updated review of the epigenetic factors involved in the onset and development of osteoarthritis (OA). OA is a prevalent degenerative joint disease characterized by chronic inflammation, ectopic bone formation within the joint, and physical and proteolytic cartilage degradation which result in chronic pain and loss of mobility. At present, no disease-modifying therapeutics exist for the prevention or treatment of the disease. Research has identified several OA risk factors including mechanical stressors, physical activity, obesity, traumatic joint injury, genetic predisposition, and age. Recently, there has been increased interest in identifying epigenetic factors involved in the pathogenesis of OA. In this review, we detail several of these epigenetic modifications with known functions in the onset and progression of the disease. We also review current therapeutics targeting aberrant epigenetic regulation as potential options for preventive or therapeutic treatment.
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Izda V, Martin J, Sturdy C, Jeffries MA. DNA methylation and noncoding RNA in OA: Recent findings and methodological advances. OSTEOARTHRITIS AND CARTILAGE OPEN 2022; 3. [PMID: 35360044 PMCID: PMC8966627 DOI: 10.1016/j.ocarto.2021.100208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Introduction: Osteoarthritis (OA) is a chronic musculoskeletal disease characterized by progressive loss of joint function. Historically, it has been characterized as a disease caused by mechanical trauma, so-called ‘wear and tear’. Over the past two decades, it has come to be understood as a complex systemic disorder involving gene-environmental interactions. Epigenetic changes have been increasingly implicated. Recent improvements in microarray and next-generation sequencing (NGS) technologies have allowed for ever more complex evaluations of epigenetic aberrations associated with the development and progression of OA. Methods: A systematic review was conducted in the Pubmed database. We curated studies that presented the results of DNA methylation and noncoding RNA research in human OA and OA animal models since 1985. Results: Herein, we discuss recent findings and methodological advancements in OA epigenetics, including a discussion of DNA methylation, including microarray and NGS studies, and noncoding RNAs. Beyond cartilage, we also highlight studies in subchondral bone and peripheral blood mononuclear cells, which highlight widespread and potentially clinically important alterations in epigenetic patterns seen in OA patients. Finally, we discuss epigenetic editing approaches in the context of OA. Conclusions: Although a substantial body of literature has already been published in OA, much is still unknown. Future OA epigenetics studies will no doubt continue to broaden our understanding of underlying pathophysiology and perhaps offer novel diagnostics and/or treatments for human OA.
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Affiliation(s)
- Vladislav Izda
- Oklahoma Medical Research Foundation, Arthritis & Clinical Immunology Program, Oklahoma City, OK, USA
| | - Jake Martin
- Oklahoma Medical Research Foundation, Arthritis & Clinical Immunology Program, Oklahoma City, OK, USA
| | - Cassandra Sturdy
- Oklahoma Medical Research Foundation, Arthritis & Clinical Immunology Program, Oklahoma City, OK, USA
| | - Matlock A. Jeffries
- Oklahoma Medical Research Foundation, Arthritis & Clinical Immunology Program, Oklahoma City, OK, USA
- University of Oklahoma Health Sciences Center, Department of Internal Medicine, Division of Rheumatology, Immunology, And Allergy, Oklahoma City, OK, USA
- Corresponding author. Oklahoma Medical Research Foundation, 825 NE 13th Street, Laboratory MC400, Oklahoma City, OK, 73104, USA.
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13
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Huang Y, Yang J, Liu X, Wang X, Zhu K, Ling Z, Zeng B, Chen N, Liu S, Wei F. Cationic Polymer Brush-Modified Carbon Nanotube-Meditated eRNA LINC02569 Silencing Attenuates Nucleus Pulposus Degeneration by Blocking NF-κB Signaling Pathway and Alleviate Cell Senescence. Front Cell Dev Biol 2022; 9:837777. [PMID: 35111765 PMCID: PMC8802762 DOI: 10.3389/fcell.2021.837777] [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: 12/17/2021] [Accepted: 12/27/2021] [Indexed: 12/15/2022] Open
Abstract
Enhancer RNAs (eRNAs) are noncoding RNAs that synthesized at active enhancers. eRNAs have important regulatory characteristics and appear to be significant for maintenance of cell identity and information processing. Series of functional eRNAs have been identified as potential therapeutic targets for multiple diseases. Nevertheless, the role of eRNAs on intervertebral disc degeneration (IDD) is still unknown yet. Herein, we utilized the nucleus pulposus samples of patients and identified a key eRNA (LINC02569) with the Arraystar eRNA Microarray. LINC02569 mostly locates in nucleus and plays an important role in the progress of IDD by activating nuclear factor kappa-B (NF-κB) signaling pathway. We used a cationic polymer brush coated carbon nanotube (oCNT-pb)-based siRNA delivery platform that we previously designed, to transport LINC02569 siRNA (si-02569) to nucleus pulposus cells. The siRNA loaded oCNT-pb accumulated in nucleus pulposus cells with lower toxicity and higher transfection efficiency, compared with the traditional siRNA delivery system. Moreover, the results showed that the delivery of si-02569 significantly alleviated the inflammatory response in the nucleus pulposus cells via inhibiting P65 phosphorylation and preventing its transfer into the nucleus, and meanwhile alleviated cell senescence by decreasing the expression of P21. Altogether, our results highlight that eRNA (LINC02569) plays important role in the progression of IDD and could be a potential therapeutic target for alleviation of IDD.
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Affiliation(s)
- Yulin Huang
- Department of Orthopedics Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Jiaming Yang
- Department of Orthopedics Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Xizhe Liu
- Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology/Orthopaedic Research Institute, Department of Spine Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiaoshuai Wang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Kai Zhu
- Orthopaedic Section II, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
| | - Zemin Ling
- Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, Department of Spinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Baozhu Zeng
- Department of Orthopedics Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Ningning Chen
- Department of Orthopedics Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Shaoyu Liu
- Department of Orthopedics Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Fuxin Wei
- Department of Orthopedics Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
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14
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Katsoula G, Steinberg J, Tuerlings M, de Almeida RC, Southam L, Swift D, Meulenbelt I, Wilkinson JM, Zeggini E. A molecular map of long non-coding RNA expression, isoform switching and alternative splicing in osteoarthritis. Hum Mol Genet 2022; 31:2090-2105. [PMID: 35088088 PMCID: PMC9239745 DOI: 10.1093/hmg/ddac017] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/22/2021] [Accepted: 01/10/2022] [Indexed: 11/30/2022] Open
Abstract
Osteoarthritis is a prevalent joint disease and a major cause of disability worldwide with no curative therapy. Development of disease-modifying therapies requires a better understanding of the molecular mechanisms underpinning disease. A hallmark of osteoarthritis is cartilage degradation. To define molecular events characterizing osteoarthritis at the whole transcriptome level, we performed deep RNA sequencing in paired samples of low- and high-osteoarthritis grade knee cartilage derived from 124 patients undergoing total joint replacement. We detected differential expression between low- and high-osteoarthritis grade articular cartilage for 365 genes and identified a 38-gene signature in osteoarthritis cartilage by replicating our findings in an independent dataset. We also found differential expression for 25 novel long non-coding RNA genes (lncRNAs) and identified potential lncRNA interactions with RNA-binding proteins in osteoarthritis. We assessed alterations in the relative usage of individual gene transcripts and identified differential transcript usage for 82 genes, including ABI3BP, coding for an extracellular matrix protein, AKT1S1, a negative regulator of the mTOR pathway and TPRM4, coding for a transient receptor potential channel. We further assessed genome-wide differential splicing, for the first time in osteoarthritis, and detected differential splicing for 209 genes, which were enriched for extracellular matrix, proteoglycans and integrin surface interactions terms. In the largest study of its kind in osteoarthritis, we find that isoform and splicing changes, in addition to extensive differences in both coding and non-coding sequence expression, are associated with disease and demonstrate a novel layer of genomic complexity to osteoarthritis pathogenesis.
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Affiliation(s)
- Georgia Katsoula
- Institute of Translational Genomics, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764 Neuherberg, Germany.,TUM School of Medicine, Technical University of Munich, Graduate School of Experimental Medicine, Ismaninger Str. 22, 81675 Munich, Germany
| | - Julia Steinberg
- Institute of Translational Genomics, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764 Neuherberg, Germany.,Daffodil Centre, University of Sydney, a joint venture with Cancer Council NSW, PO Box 572, Kings Cross, NSW 1340, Sydney, Australia
| | - Margo Tuerlings
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Einthovenweg 20 2333 ZC, Leiden, The Netherlands
| | - Rodrigo Coutinho de Almeida
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Einthovenweg 20 2333 ZC, Leiden, The Netherlands
| | - Lorraine Southam
- Institute of Translational Genomics, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764 Neuherberg, Germany
| | - Diane Swift
- Department of Oncology and Metabolism, University of Sheffield, Metabolic Bone Unit, Sorby Wing Northern General Hospital Sheffield, S5 7AU, United Kingdom
| | - Ingrid Meulenbelt
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Einthovenweg 20 2333 ZC, Leiden, The Netherlands
| | - J Mark Wilkinson
- Department of Oncology and Metabolism, University of Sheffield, Metabolic Bone Unit, Sorby Wing Northern General Hospital Sheffield, S5 7AU, United Kingdom
| | - Eleftheria Zeggini
- Institute of Translational Genomics, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764 Neuherberg, Germany.,TUM School of Medicine, Technical University of Munich and Klinikum Rechts der Isar, Ismaninger Str. 22, 81675 Munich, Germany
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15
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Zhang D, Xue J, Peng F. The regulatory activities of MALAT1 in the development of bone and cartilage diseases. Front Endocrinol (Lausanne) 2022; 13:1054827. [PMID: 36452326 PMCID: PMC9701821 DOI: 10.3389/fendo.2022.1054827] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 11/01/2022] [Indexed: 11/15/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) have been comprehensively implicated in various cellular functions by mediating transcriptional or post-transcriptional activities. MALAT1 is involved in the differentiation, proliferation, and apoptosis of multiple cell lines, including BMSCs, osteoblasts, osteoclasts, and chondrocytes. Interestingly, MALAT1 may interact with RNAs or proteins, regulating cellular processes. Recently, MALAT1 has been reported to be associated with the development of bone and cartilage diseases by orchestrating the signaling network. The involvement of MALAT1 in the pathological development of bone and cartilage diseases makes it available to be a potential biomarker for clinical diagnosis or prognosis. Although the potential mechanisms of MALAT1 in mediating the cellular processes of bone and cartilage diseases are still needed for further elucidation, MALAT1 shows great promise for drug development.
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Affiliation(s)
- Di Zhang
- Department of Medical Imaging, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Jinhua Xue
- School of Basic Medicine, Gannan Medical University, Ganzhou, China
| | - Fang Peng
- Department of Pathology, Ganzhou People’s Hospital, Ganzhou, China
- *Correspondence: Fang Peng,
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16
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Liu P, Gao G, Zhou X, Zhang X, Cai Q, Xiang Z, Shen X, Wu X. Circular RNAs profiles of osteoarthritic synovium. Mol Omics 2022; 18:439-448. [PMID: 35416237 DOI: 10.1039/d2mo00066k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Purposes: To identify the Circular RNAs (circRNAs) expression profile in the synovium of patients with Osteoarthritis (OA) and explore their potential regulatory mechanism. Methods: Transcriptome high-throughput sequencing was used to...
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Affiliation(s)
- Pengjuan Liu
- Department of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China.
- Department of Medical Laboratory Science, Xiangya Medical School, Central South University, Changsha 410013, Hunan, China.
| | - Ge Gao
- Department of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China.
- Department of Medical Laboratory Science, Xiangya Medical School, Central South University, Changsha 410013, Hunan, China.
| | - Xiao Zhou
- Department of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China.
- Department of Medical Laboratory Science, Xiangya Medical School, Central South University, Changsha 410013, Hunan, China.
| | - Xiao Zhang
- Department of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China.
- Department of Medical Laboratory Science, Xiangya Medical School, Central South University, Changsha 410013, Hunan, China.
| | - Qiaoling Cai
- Department of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China.
- Department of Medical Laboratory Science, Xiangya Medical School, Central South University, Changsha 410013, Hunan, China.
| | - Zhongyuan Xiang
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, China.
| | - Xiongjie Shen
- Department of Spine Surgery, Hunan Provincial People's Hospital, Changsha 410005, Hunan, China.
| | - Xiang Wu
- Department of Clinical Laboratory, Hainan Provincial Hospital of Chinese Medicine, Haikou 570203, Hainan, China.
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17
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Yang Y, Sun Z, Liu F, Bai Y, Wu F. FGD5-AS1 Inhibits Osteoarthritis Development by Modulating miR-302d-3p/TGFBR2 Axis. Cartilage 2021; 13:1412S-1420S. [PMID: 33834880 PMCID: PMC8804797 DOI: 10.1177/19476035211003324] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
OBJECTIVE Osteoarthritis (OA) is a common joint disorder, accompanied by extracellular matrix (ECM) degradation. Reportedly, long noncoding RNAs (lncRNAs) are involved in OA pathogenesis. However, the role of lncRNA FYVE, RhoGEF, and PH domain containing 5 antisense RNA 1 (FGD5-AS1) in OA development is still not fully clarified. This study was aimed to clarify the role of FGD5-AS1 in OA. METHODS FGD5-AS1 and miR-302d-3p expression levels were determined in cartilage tissues and chondrocytes by quantitative real-time polymerase chain reaction (qRT-PCR). Chondrocytes (C20/A4 cells) were stimulated with interleukin 1β (IL-1β) to mimic the inflammatory environment of OA. Cell viability was detected by cell counting kit-8 and 5-ethynyl-2'-deoxyuridine assays. Cell apoptosis was measured by the caspase-3 activity assay and flow cytometry. Transforming growth factor beta receptors II (TGFBR2), matrix metalloproteinase 13 (MMP-13), and ADAM metallopeptidase with thrombospondin type 1 motif 5 expression levels were examined by qRT-PCR or Western blot. The regulatory relationships among FGD5-AS1, miR-302d-3p, and TGFBR2 were predicted by the StarBase v2.0, miRanda, miRDB, and TargetScan databases, and confirmed by dual-luciferase reporter assay and RNA immunoprecipitation assay. RESULTS FGD5-AS1 and TGFBR2 expression levels were downregulated while miR-302d-3p expression was increased in cartilage tissues of OA patients. Knocking down FGD5-AS1 inhibited the viability of C20/A4 cells but induced apoptosis and ECM degradation, while FGD5-AS1 overexpression exerted opposite effects. MiR-302d-3p was identified as a target of FGD5-AS1, and TGFBR2 was identified as a target of miR-302d-3p. FGD5-AS1 positively regulated TGFBR2 expression by repressing miR-302d-3p expression, and miR-302d-3p inhibition or TGFBR2 restoration reversed the changes of cell viability, apoptosis, and ECM degradation induced by FGD5-AS1 knockdown. CONCLUSION FGD5-AS1 can probably inhibit OA progression by regulating miR-302d-3p/TGFBR2 axis.
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Affiliation(s)
- Yue Yang
- Department of Orthopedics, Renmin
Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Zhibo Sun
- Department of Orthopedics, Renmin
Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Feng Liu
- Department of Orthopedics, Renmin
Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Yuanzhang Bai
- Department of Orthopedics, Renmin
Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Fei Wu
- Department of Orthopedics, Renmin
Hospital of Wuhan University, Wuhan, Hubei Province, China,Fei Wu, Department of Orthopedics,
Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province,
China.
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18
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Circ_SPG11 plays contributing effects on IL-1β-induced chondrocyte apoptosis and ECM degradation via miR-665 inhibition-mediated GREM1 upregulation. Clin Immunol 2021; 233:108889. [PMID: 34798237 DOI: 10.1016/j.clim.2021.108889] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 11/13/2021] [Indexed: 12/16/2022]
Abstract
The dysregulation of circular RNA (circRNA) has been monitored in osteoarthritis (OA) cartilage, hinting that circRNA deregulation modulates OA progression. We thus aimed to unveil the role of circRNA spastic paraplegia 11 (circ_SPG11) in OA conditions. The upregulation of circ_SPG11 was observed in OA cartilage and IL-1β-treated chondrocytes. Knockdown of circ_SPG11 restored IL-1β-depleted cell proliferation and alleviated IL-1β-induced cell apoptosis and ECM degradation. Circ_SPG11 bound to miR-665 and negatively regulated miR-665 expression. Inhibition of miR-665 reversed the inhibitory effect on IL-1β-induced chondrocyte injury caused by circ_SPG11 knockdown. GREM1 was a target of miR-665, and circ_SPG11 knockdown depleted GREM1 expression by enriching miR-665. Overexpression of GREM1 also reversed the inhibitory effect on IL-1β-induced chondrocyte injury caused by miR-665 enrichment. Circ_SPG11 might promote IL-1β-induced chondrocyte apoptosis and ECM degradation via increasing GREM1 expression by decoying miR-665.
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19
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Yang J, Zhang M, Yang D, Ma Y, Tang Y, Xing M, Li L, Chen L, Jin Y, Ma C. m 6A-mediated upregulation of AC008 promotes osteoarthritis progression through the miR-328-3p‒AQP1/ANKH axis. Exp Mol Med 2021; 53:1723-1734. [PMID: 34737423 PMCID: PMC8640060 DOI: 10.1038/s12276-021-00696-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 09/06/2021] [Accepted: 09/12/2021] [Indexed: 02/07/2023] Open
Abstract
Long noncoding RNAs (lncRNAs) have emerged as important regulators of osteoarthritis (OA), but the biological roles and clinical significance of most lncRNAs in OA are not fully understood. Microarray analysis was performed to identify differentially expressed lncRNAs, mRNAs, and miRNAs between normal and osteoarthritic cartilage. We found that AC008440.5 (abbreviated AC008), as well as AQP1 and ANKH, were highly expressed in osteoarthritic cartilage, whereas miR-328-3p was expressed at a low level in osteoarthritic cartilage. Functional assays showed that ectopic expression of AC008, AQP1, and ANKH significantly decreased chondrocyte viability and promoted chondrocyte apoptosis and extracellular matrix (ECM) degradation, whereas knockdown of AC008, AQP1, and ANKH resulted in the opposite effects. Moreover, miR-328-3p overexpression increased chondrocyte viability and attenuated chondrocyte apoptosis and ECM degradation, whereas inhibition of miR-328-3p resulted in the opposite effects. Bioinformatics analysis, RNA immunoprecipitation (RIP), and luciferase assays revealed that AC008 functioned as a competing endogenous RNA (ceRNA) to regulate miR-328-3p, which specifically targeted the AQP1 and ANKH genes. In addition, miR-328-3p significantly ameliorated MIA-induced OA, whereas AC008 accelerated OA progression in vivo. Furthermore, fat mass and obesity-associated (FTO)-mediated N6-methyladenosine demethylation downregulated AC008 transcription, while lower FTO expression led to upregulation of AC008 transcription in OA. In conclusion, our data reveal that AC008 plays a critical role in OA pathogenesis via the miR-328-3p‒AQP1/ANKH pathway, suggesting that AC008 may be a potential therapeutic target for OA.
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Affiliation(s)
- Jiashu Yang
- Jiangsu Key Laboratory of Xenotransplantation, Nanjing Medical University, Nanjing, P.R. China
- Department of Medical Genetics, Nanjing Medical University, Nanjing, P.R. China
| | - Ming Zhang
- Jiangsu Key Laboratory of Xenotransplantation, Nanjing Medical University, Nanjing, P.R. China
- Department of Medical Genetics, Nanjing Medical University, Nanjing, P.R. China
| | - Dawei Yang
- Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing, P.R. China
| | - Yunfei Ma
- Department of Medical Genetics, Nanjing Medical University, Nanjing, P.R. China
| | - Yuting Tang
- Department of Medical Genetics, Nanjing Medical University, Nanjing, P.R. China
| | - Mengying Xing
- Department of Medical Genetics, Nanjing Medical University, Nanjing, P.R. China
| | - Lingyun Li
- Jiangsu Key Laboratory of Xenotransplantation, Nanjing Medical University, Nanjing, P.R. China
- Department of Medical Genetics, Nanjing Medical University, Nanjing, P.R. China
| | - Li Chen
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, P.R. China
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital and University of Southern Denmark, Odense, Denmark
| | - Yucui Jin
- Jiangsu Key Laboratory of Xenotransplantation, Nanjing Medical University, Nanjing, P.R. China.
- Department of Medical Genetics, Nanjing Medical University, Nanjing, P.R. China.
| | - Changyan Ma
- Jiangsu Key Laboratory of Xenotransplantation, Nanjing Medical University, Nanjing, P.R. China.
- Department of Medical Genetics, Nanjing Medical University, Nanjing, P.R. China.
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Xie W, Jiang L, Huang X, Shang H, Gao M, You W, Tan J, Yan H, Sun W. lncRNA MEG8 is downregulated in osteoarthritis and regulates chondrocyte cell proliferation, apoptosis and inflammation. Exp Ther Med 2021; 22:1153. [PMID: 34504598 PMCID: PMC8393379 DOI: 10.3892/etm.2021.10587] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 04/16/2021] [Indexed: 01/02/2023] Open
Abstract
Long noncoding RNA (lncRNA) maternally expressed 8, small nucleolar RNA host gene (MEG8) has been widely reported for its pro-proliferative, anti-apoptotic and anti-inflammatory effects in diverse diseases. The aim of the present study was to investigate the effects and underlying mechanism of MEG8 on IL-1β-stimulated human osteoarthritis (OA) chondrocytes. C28/I2 chondrocytes were cultured under the stimulation of IL-1β to establish a cellular model of OA. Functional assays involving Cell Counting Kit-8 and flow cytometry were performed to determine proliferation and apoptosis in the cells. The protein expression levels of caspase-3 and inflammatory cytokines were detected using cell-based ELISA. The expression levels of PI3K/AKT pathway-related proteins were evaluated by western blotting. It was identified that MEG8 expression was increased in the cartilage of patients with OA and in IL-1β-treated C28/I2 cells. In C28/I2 cells, silencing of MEG8 expression noticeably triggered IL-1β-induced proliferation suppression, cell death and an inflammatory response. However, transfection with MEG8 displayed adverse effects. Furthermore, MEG8 overexpression prevented IL-1β-induced activation of the PI3K/AKT signaling pathway in C28/I2 cells. These data demonstrated that MEG8 exerted protective effects against IL-1β-induced apoptosis and inflammation of OA chondrocytes by regulating the PI3K/AKT signaling pathway. Thus, the present study demonstrates that MEG8 might be a promising target for the treatment of OA.
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Affiliation(s)
- Wei Xie
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Luoyong Jiang
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Xiaoyang Huang
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Hongxi Shang
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Minghong Gao
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Wei You
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Jifeng Tan
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Hong Yan
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Wei Sun
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong 518000, P.R. China
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21
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Yue Y, Zhibo S, Feng L, Yuanzhang B, Fei W. SNHG5 protects chondrocytes in interleukin-1β-stimulated osteoarthritis via regulating miR-181a-5p/TGFBR3 axis. J Biochem Mol Toxicol 2021; 35:e22866. [PMID: 34369033 DOI: 10.1002/jbt.22866] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 02/22/2021] [Accepted: 07/20/2021] [Indexed: 12/19/2022]
Abstract
Long noncoding RNAs (lncRNAs) have been considered as important modulators in the development of osteoarthritis. The present study investigates whether there is a link between lncRNA small nucleolar RNA host gene 5 (SNHG5) and osteoarthritis pathogenesis, and the underlying molecular mechanism. To establish an in vitro model of osteoarthritis, interleukin 1β (IL-1β) was used to treat chondrocytes (C20/A4 cells) for mimicking the inflammatory condition in osteoarthritis pathogenesis. SNHG5 and miR-181a-5p expression levels were then detected in cartilage tissues of osteoarthritis patients and C20/A4 cells by quantitative polymerase chain reaction (qPCR). Cell counting kit-8 and 5-ethynyl-2'-deoxyuridine assays were applied for detecting the viability of chondrocytes, and the apoptosis of chondrocytes was examined through caspase-3 activity assay and flow cytometry analysis. Western blot and qPCR were employed for determining the expression levels of TGFBR3, ADAMTS5, and MMP-13. The regulatory relationships among SNHG5, miR-181a-5p, and TGFBR3 were verified by RNA immunoprecipitation and dual-luciferase reporter assays. The expression levels of SNHG5 and TGFBR3 were markedly decreased, and miR-181a-5p expression was enhanced in osteoarthritis tissues and chondrocytes treated with IL-1β. SNHG5 knockdown inhibited the viability of chondrocytes, induced apoptosis, and promoted the expression levels of ADAMTS5 and MMP-13. Conversely, SNHG5 overexpression could counteract the effects of IL-1β, increase the viability of chondrocytes and suppress apoptosis. Mechanically, SNHG5 positively regulated TGFBR3 expression via sponging miR-181a-5p. Moreover, miR-181a-5p overexpression and TGFBR3 knockdown counteracted the effects of SNHG5 on chondrocytes. SNHG5 can probably protect chondrocytes from the inflammatory response and reduce the degradation of the extracellular matrix via modulating the miR-181a-5p/TGFBR3 axis.
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Affiliation(s)
- Yang Yue
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Sun Zhibo
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Liu Feng
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Bai Yuanzhang
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Wu Fei
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
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Giordano R, Petersen KK, Santoro M, Pazzaglia C, Simonsen O, Valeriani M, Arendt-Nielsen L. Circulating long non-coding RNA signature in knee osteoarthritis patients with postoperative pain one-year after total knee replacement. Scand J Pain 2021; 21:823-830. [PMID: 34323060 DOI: 10.1515/sjpain-2021-0069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 07/05/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVES The incidence of chronic postoperative pain after total knee replacement (TKR) is approx. 20%, and hence preoperative risk factors are important to identify. Recent studies have indicated that preoperative inflammatory markers might hold prognostic information for the development of chronic postoperative pain. Long non-coding RNA (lncRNA) regulates the expression of genes related to e.g. inflammatory processes. The current study aimed to investigate the preoperative lncRNA signature as possible preoperative predictive markers for chronic postoperative pain following TKR. METHODS Serum samples, collected preoperatively from 20 knee osteoarthritis (KOA) patients, were analyzed for 84 validated circulatory lncRNA. Pain intensity was assessed using a visual analog scale (VAS) before and one-year after TKR. Differences for the lncRNA expression were analyzed between patients with chronic postoperative pain (VAS≥3) and those with a normal postoperative recovery (VAS<3). RESULTS LncRNA Myeloid Zinc Finger 1 Antisense RNA 1 (MZF1-AS1) (fold change -3.99; p-value: 0.038) (shown to be involved neuropathic pain) Metastasis associated lung adenocarcinoma transcript 1 (MALAT1) (fold change -3.39; p-value: 0.044) (shown to be involved neuropathic pain); Patched 1 pseudogene (LOC100287846) (fold change -6.99; p-value: 0.029) (unknown in pain) were down-regulated preoperatively in the group with chronic postoperative pain compared to the group normal postoperative pain recovery. CONCLUSIONS These findings suggest, that TKR patients with chronic postoperative pain present preoperative downregulations of three specific lncRNA detectable at the systemic level. The presented study might give new insights into the complexity of chronic postoperative pain development and show how non-coding RNA plays a role in the underlying molecular mechanisms of pain.
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Affiliation(s)
- Rocco Giordano
- Department of Health Science and Technology, Faculty of Medicine, Center for Neuroplasticity and Pain (CNAP), SMI, Aalborg University, Aalborg, Denmark
| | - Kristian Kjær Petersen
- Department of Health Science and Technology, Faculty of Medicine, Center for Neuroplasticity and Pain (CNAP), SMI, Aalborg University, Aalborg, Denmark.,Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg, Denmark
| | - Massimo Santoro
- Laboratory "Health and Environment" Division of Health Protection Technologies, ENEA-Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Rome, Italy
| | - Costanza Pazzaglia
- Unit of High Intensity Neurorehabilitation, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Ole Simonsen
- Orthopedic Surgery Research Unit, Aalborg University Hospital, Aalborg, Denmark
| | - Massimiliano Valeriani
- Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg, Denmark.,Department of Neuroscience and Neurorehabilitation, Child Neurology Unit, Headache Center, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Lars Arendt-Nielsen
- Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg, Denmark
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Li X, Li Y, Yang X, Liao R, Chen L, Guo Q, Yang J. PR11-364P22.2/ATF3 protein interaction mediates IL-1β-induced catabolic effects in cartilage tissue and chondrocytes. J Cell Mol Med 2021; 25:6188-6202. [PMID: 34037306 PMCID: PMC8256372 DOI: 10.1111/jcmm.16561] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 03/10/2021] [Accepted: 03/24/2021] [Indexed: 12/31/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease which lacks effective medical treatment due to ill-defined molecular mechanisms underlying the pathology. Inflammation is a key factor that induces and aggravates OA. Therefore, the current study aims to explore roles of the dysregulated long non-coding RNAs in the pro-inflammatory cytokine IL-1β-mediated catabolic effects in cartilage tissue and chondrocytes. We identified RP11-364P22.2 as dysregulated in OA patient-derived cartilage tissues and highly responsive to IL-1β stimulus. RNA pull-down coupled with mass spectrometry demonstrated that RP11-364P22.2 physically binds to activating transcription factor 3 (ATF3) and thus increases the protein stability and facilitates its nuclear translocation. Loss- and gain-of-function assays indicated that the interaction between RP11-364P22.2 and ATF3 is indispensable for the detrimental effects of IL-1β including growth inhibition, apoptosis induction as well as degradation of the key chondrocyte structural proteins of type II collage and Aggrecan and synthesis of the extracellular matrix-degrading enzyme MMP13 in chondrocytes. In vivo, depletion of the RP11-364P22.2 effector ATF3 drastically prevented OA development in the rats with surgical destabilization of the medial meniscus (DMM). These results highlight the important roles of lncRNAs in the pathogenesis of OA and indicate the RP11-364P22.2/ATF3 regulatory axis as a potential therapeutic target of inflammation-induced OA.
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Affiliation(s)
- Xilei Li
- Department of AnesthesiologyXiangya HospitalCentral South UniversityChangshaChina
- National Clinical Research Center for Geriatric DisordersXiangya HospitalCentral South UniversityChangshaChina
| | - Yusheng Li
- Department of OrthopaedicsXiangya HospitalCentral South UniversityChangshaChina
| | - Xucheng Yang
- Department of OrthopaedicsXiangya HospitalCentral South UniversityChangshaChina
| | - Runzhi Liao
- Department of OrthopaedicsXiangya HospitalCentral South UniversityChangshaChina
| | - Liang Chen
- Department of OrthopaedicsXiangya HospitalCentral South UniversityChangshaChina
| | - Qulian Guo
- Department of AnesthesiologyXiangya HospitalCentral South UniversityChangshaChina
| | - Junxiao Yang
- National Clinical Research Center for Geriatric DisordersXiangya HospitalCentral South UniversityChangshaChina
- Department of OrthopaedicsXiangya HospitalCentral South UniversityChangshaChina
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24
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Rey F, Urrata V, Gilardini L, Bertoli S, Calcaterra V, Zuccotti GV, Cancello R, Carelli S. Role of long non-coding RNAs in adipogenesis: State of the art and implications in obesity and obesity-associated diseases. Obes Rev 2021; 22:e13203. [PMID: 33443301 PMCID: PMC8244036 DOI: 10.1111/obr.13203] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/11/2020] [Accepted: 12/13/2020] [Indexed: 12/14/2022]
Abstract
Obesity is an evolutionary, chronic, and relapsing disease that consists of a pathological accumulation of adipose tissue able to increase morbidity for high blood pressure, type 2 diabetes, metabolic syndrome, and obstructive sleep apnea in adults, children, and adolescents. Despite intense research over the last 20 years, obesity remains today a disease with a complex and multifactorial etiology. Recently, long non-coding RNAs (lncRNAs) are emerging as interesting new regulators as different lncRNAs have been found to play a role in early and late phases of adipogenesis and to be implicated in obesity-associated complications onset. In this review, we discuss the most recent advances on the role of lncRNAs in adipocyte biology and in obesity-associated complications. Indeed, more and more researchers are focusing on investigating the underlying roles that these molecular modulators could play. Even if a significant number of evidence is correlation-based, with lncRNAs being differentially expressed in a specific disease, recent works are now focused on deeply analyzing how lncRNAs can effectively modulate the disease pathogenesis onset and progression. LncRNAs possibly represent new molecular markers useful in the future for both the early diagnosis and a prompt clinical management of patients with obesity.
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Affiliation(s)
- Federica Rey
- Department of Biomedical and Clinical Sciences "L. Sacco", University of Milan, Milan, Italy.,Pediatric Clinical Research Center Fondazione "Romeo ed Enrica Invernizzi", University of Milan, Milan, Italy
| | - Valentina Urrata
- Department of Biomedical and Clinical Sciences "L. Sacco", University of Milan, Milan, Italy.,Pediatric Clinical Research Center Fondazione "Romeo ed Enrica Invernizzi", University of Milan, Milan, Italy
| | - Luisa Gilardini
- Obesity Unit-Laboratory of Nutrition and Obesity Research, Department of Endocrine and Metabolic Diseases, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Simona Bertoli
- Obesity Unit-Laboratory of Nutrition and Obesity Research, Department of Endocrine and Metabolic Diseases, IRCCS Istituto Auxologico Italiano, Milan, Italy.,International Center for the Assessment of Nutritional Status (ICANS), Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Milan, Italy
| | - Valeria Calcaterra
- Pediatrics and Adolescentology Unit, Department of Internal Medicine, University of Pavia, Pavia, Italy.,Department of Pediatrics, Children's Hospital "V. Buzzi", Milan, Italy
| | - Gian Vincenzo Zuccotti
- Department of Biomedical and Clinical Sciences "L. Sacco", University of Milan, Milan, Italy.,Pediatric Clinical Research Center Fondazione "Romeo ed Enrica Invernizzi", University of Milan, Milan, Italy.,Department of Pediatrics, Children's Hospital "V. Buzzi", Milan, Italy
| | - Raffaella Cancello
- Obesity Unit-Laboratory of Nutrition and Obesity Research, Department of Endocrine and Metabolic Diseases, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Stephana Carelli
- Department of Biomedical and Clinical Sciences "L. Sacco", University of Milan, Milan, Italy.,Pediatric Clinical Research Center Fondazione "Romeo ed Enrica Invernizzi", University of Milan, Milan, Italy
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25
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Pan W, Wang H, Ruan J, Zheng W, Chen F, Kong J, Wang Y. lncRNA myocardial infarction-associated transcript (MIAT) knockdown alleviates LPS-induced chondrocytes inflammatory injury via regulating miR-488-3p/sex determining region Y-related HMG-box 11 (SOX11) axis. Open Life Sci 2021; 16:511-522. [PMID: 34124371 PMCID: PMC8168443 DOI: 10.1515/biol-2021-0023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 10/18/2020] [Accepted: 11/15/2020] [Indexed: 01/06/2023] Open
Abstract
Long noncoding RNA (lncRNA) has been shown to be involved in the development of osteoarthritis (OA), an age-related bone and joint disease. However, the function and possible molecular mechanism of lncRNA myocardial infarction-associated transcript (MIAT) in lipopolysaccharide (LPS)-induced chondrocytes injury model remain unexplored. Cell viability and apoptosis were detected by methyl thiazolyl tetrazolium (MTT) and flow cytometry, respectively. Western blot was used to detect protein expression. The concentrations of inflammatory factors were estimated by enzyme-linked immunosorbent assay (ELISA). Abundances of MIAT, microRNA-488-3p (miR-488-3p), and sex determining region Y-related HMG-box 11 (SOX11) were examined by quantitative reverse transcriptase polymerase chain reaction (qRT-PCR). Dual-luciferase reporter and RNA immunoprecipitation (RIP) assays were performed to analyze the interaction between miR-488-3p and MIAT or SOX11. LPS caused chondrocytes injury by reducing cell activity and increasing apoptosis rate and inflammatory factor secretions. Higher levels of MIAT and SOX11 and lower miR-488-3p were observed in LPS-treated C28/I2 cells. Importantly, knockdown of MIAT attenuated the LPS-induced cell injury by targeting miR-488-3p, and miR-488-3p overexpression weakened the LPS-induced cell injury by targeting SOX11. Additionally, repression of MIAT inactivated the LPS-induced NF-κB signaling pathway by decreasing SOX11 and increasing miR-488-3p. Knockdown of MIAT alleviated the LPS-induced chondrocytes injury by inhibiting the NF-κB signaling pathway mediated by the miR-488-3p/SOX11 axis.
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Affiliation(s)
- Weiwei Pan
- Department of Orthopaedic, Taizhou Municipal Hospital, No. 381, Zhongshan East Road, Jiaojiang District, Taizhou 318000, Zhejiang, China
| | - Haibao Wang
- Department of Orthopaedic, Taizhou Municipal Hospital, No. 381, Zhongshan East Road, Jiaojiang District, Taizhou 318000, Zhejiang, China
| | - Jianwei Ruan
- Department of Orthopaedic, Taizhou Municipal Hospital, No. 381, Zhongshan East Road, Jiaojiang District, Taizhou 318000, Zhejiang, China
| | - Wenbiao Zheng
- Department of Orthopaedic, Taizhou Municipal Hospital, No. 381, Zhongshan East Road, Jiaojiang District, Taizhou 318000, Zhejiang, China
| | - Fanghu Chen
- Department of Orthopaedic, Taizhou Municipal Hospital, No. 381, Zhongshan East Road, Jiaojiang District, Taizhou 318000, Zhejiang, China
| | - Jinsong Kong
- Department of Orthopaedic, Taizhou Municipal Hospital, No. 381, Zhongshan East Road, Jiaojiang District, Taizhou 318000, Zhejiang, China
| | - Yong Wang
- Department of Orthopaedic, Taizhou Municipal Hospital, No. 381, Zhongshan East Road, Jiaojiang District, Taizhou 318000, Zhejiang, China
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26
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Wang J, Sun Y, Liu J, Yang B, Wang T, Zhang Z, Jiang X, Guo Y, Zhang Y. Roles of long non‑coding RNA in osteoarthritis (Review). Int J Mol Med 2021; 48:133. [PMID: 34013375 PMCID: PMC8148092 DOI: 10.3892/ijmm.2021.4966] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 05/05/2021] [Indexed: 02/01/2023] Open
Abstract
Osteoarthritis (OA) is a chronic bone and joint disease characterized by articular cartilage degeneration and joint inflammation and is the most common form of arthritis. The clinical manifestations of OA are chronic pain and joint activity disorder, which severely affect the patient quality of life. Long non-coding RNA (lncRNA) is a class of RNA molecules >200 nucleotides long that are expressed in animals, plants, yeast, prokaryotes and viruses. lncRNA molecules lack an open reading frame and are not translated into protein. The present review collated the results of recent studies on the role of lncRNA in the pathogenesis of OA to provide information for the prevention, diagnosis and treatment of OA.
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Affiliation(s)
- Jicheng Wang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Yanshan Sun
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Jianyong Liu
- 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
| | - Tengyun Wang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Zhen Zhang
- 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
| | - Yongzhi Guo
- 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
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27
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Feng L, Yang ZM, Li YC, Wang HX, Lo JHT, Zhang XT, Li G. Linc-ROR promotes mesenchymal stem cells chondrogenesis and cartilage formation via regulating SOX9 expression. Osteoarthritis Cartilage 2021; 29:568-578. [PMID: 33485931 DOI: 10.1016/j.joca.2020.12.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 12/09/2020] [Accepted: 12/28/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The present study is to characterize the role of long intergenic non-coding RNA, regulator of reprogramming (linc-ROR) in bone marrow mesenchymal stem cell (BMSCs) chondrogenesis, cartilage formation and OA development. METHODS Linc-ROR expression pattern in articular cartilage tissue sample from OA patients were studied by real-time PCR. Linc-ROR lentivirus mediated BMSCs were constructed. In vitro micromass cultured BMSCs chondrogenesis or in vivo MeHA hydrogel encapsulated BMSCs cartilage formation activity were studied. Linc-ROR associating miRNAs which repressed SOX9 expression were characterized by luciferase assay, real-time PCR and Western blot. Linc-ROR was co-transfected with miRNAs into BMSCs to study its rescue effect on SOX9 expression and chondrogenesis activity. RESULTS Linc-ROR was down-regulated in articular cartilage tissue from OA patients and was positively correlated with the expression level of SOX9 (R2 = 0.43). Linc-ROR expression was upregulated during BMSCs chondrogenesis. Linc-ROR ectopic expression significantly promoted in vitro BMSCs chondrogenesis and in vivo cartilage formation activities as revealed by safranin O, alcian blue and COL II staining. The mRNA expression level of chondrogenesis markers including COL II, SOX9 and ACAN were increased, and the hypertrophy markers MMP13 and COL X were decreased upon linc-ROR overexpression in BMSCs. Linc-ROR functioned as a miRNA sponge for miR-138 and miR-145. Both miR-138 and miR-145 suppressed BMSCs chondrogenesis activity and SOX9 expression, while co-expression of linc-ROR displayed a rescuing effect. CONCLUSIONS Taken together, linc-ROR modulated BMSCs chondrogenesis differentiation and cartilage formation by acting as a competing endogenous RNA for miR-138 and miR-145 and activating SOX9 expression. Linc-ROR could be considered as a new diagnostic and therapeutic target for OA treatment.
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Affiliation(s)
- L Feng
- Department of Orthopaedics & Traumatology, Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, SAR, PR China
| | - Z M Yang
- Department of Orthopaedics & Traumatology, Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, SAR, PR China
| | - Y C Li
- Department of Orthopaedics & Traumatology, Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, SAR, PR China
| | - H X Wang
- Department of Orthopaedics & Traumatology, Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, SAR, PR China
| | - J H T Lo
- Department of Orthopaedics & Traumatology, Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, SAR, PR China
| | - X T Zhang
- Department of Orthopaedics & Traumatology, Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, SAR, PR China
| | - G Li
- Department of Orthopaedics & Traumatology, Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, SAR, PR China; MOE Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, SAR, PR China; Department of Orthopaedics and Traumatology, People's Hospital of Baoan District, Shenzhen, PR China.
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28
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LncRNA KCNQ1OT1 attenuates osteoarthritic chondrocyte dysfunction via the miR-218-5p/PIK3C2A axis. Cell Tissue Res 2021; 385:115-126. [PMID: 33783609 DOI: 10.1007/s00441-021-03441-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 03/01/2021] [Indexed: 10/21/2022]
Abstract
The occurrence of osteoarthritis is closely related to chondrocyte dysfunction caused by cellular inflammatory response and matrix degradation, which seriously affect the quality of life of patients. Therefore, this study aimed to investigate the role of potassium voltage-gated channel subfamily Q member 1 overlapping transcript 1 (KCNQ1OT1), a member of the lncRNA voltage-gated channel subfamily Q, in the development of osteoarthritis. In this study, RT-qPCR results showed that KCNQ1OT1 expression was downregulated in osteoarthritic chondrocytes compared with normal chondrocytes. In addition, upregulation of KCNQ1OT1 significantly enhanced the viability of osteoarthritic chondrocytes, inhibited cell apoptosis, and reduced the release of inflammatory cytokines and metal matrix enzymes. Next, bioinformatics analysis and luciferase reporter gene analysis predicted and validated the targeting relationship between KCNQ1OT1 and miR-218-5p. We found that the expression of miR-218-5p was significantly upregulated in osteoarthritic chondrocytes, and knockdown of miR-218-5p significantly enhanced the viability of osteoarthritic chondrocytes, inhibited apoptosis, and decreased the abundance of inflammatory cytokines and metal matrix enzymes. Furthermore, the targeting relationship between miR-218-5p and recombinant phosphoinositide-3-kinase class-2-alpha polypeptide (PIK3C2A) was identified, and overexpression of PIK3C2A enhanced cell viability, and reduced apoptosis and secretion of inflammatory factors. Finally, we found that miR-218-5p overexpression reversed the protective effect of overexpression of KCNQ1OT1 or PIK3C2A on osteoarthritic chondrocytes. In conclusion, our results demonstrated that KCNQ1OT1 upregulated PIK3C2A and activated the PI3K/AKT/mTOR pathway to reduce chondrocyte dysfunction by targeting miR-218-5p, providing new insights into the pathogenesis of osteoarthritis.
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29
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Hu Q, Ecker M. Overview of MMP-13 as a Promising Target for the Treatment of Osteoarthritis. Int J Mol Sci 2021; 22:ijms22041742. [PMID: 33572320 PMCID: PMC7916132 DOI: 10.3390/ijms22041742] [Citation(s) in RCA: 140] [Impact Index Per Article: 46.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/02/2021] [Accepted: 02/04/2021] [Indexed: 01/02/2023] Open
Abstract
Osteoarthritis (OA) is a common degenerative disease characterized by the destruction of articular cartilage and chronic inflammation of surrounding tissues. Matrix metalloproteinase-13 (MMP-13) is the primary MMP involved in cartilage degradation through its particular ability to cleave type II collagen. Hence, it is an attractive target for the treatment of OA. However, the detailed molecular mechanisms of OA initiation and progression remain elusive, and, currently, there are no interventions available to restore degraded cartilage. This review fully illustrates the involvement of MMP-13 in the initiation and progression of OA through the regulation of MMP-13 activity at the molecular and epigenetic levels, as well as the strategies that have been employed against MMP-13. The aim of this review is to identify MMP-13 as an attractive target for inhibitor development in the treatment of OA.
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Abstract
Osteoarthritis (OA), one of the most common motor system disorders, is a degenerative disease involving progressive joint destruction caused by a variety of factors. At present, OA has become the fourth most common cause of disability in the world. However, the pathogenesis of OA is complex and has not yet been clarified. Long non-coding RNA (lncRNA) refers to a group of RNAs more than 200 nucleotides in length with limited protein-coding potential, which have a wide range of biological functions including regulating transcriptional patterns and protein activity, as well as binding to form endogenous small interference RNAs (siRNAs) and natural microRNA (miRNA) molecular sponges. In recent years, a large number of lncRNAs have been found to be differentially expressed in a variety of pathological processes of OA, including extracellular matrix (ECM) degradation, synovial inflammation, chondrocyte apoptosis, and angiogenesis. Obviously, lncRNAs play important roles in regulating gene expression, maintaining the phenotype of cartilage and synovial cells, and the stability of the intra-articular environment. This article reviews the results of the latest research into the role of lncRNAs in a variety of pathological processes of OA, in order to provide a new direction for the study of OA pathogenesis and a new target for prevention and treatment. Cite this article: Bone Joint Res 2021;10(2):122-133.
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Affiliation(s)
- Chao Peng He
- Department of Orthopedics, The Second Affiliated Hospital, Hunan Normal University, Hunan, China
| | - Xin Chen Jiang
- Department of Orthopedics, The Second Affiliated Hospital, Hunan Normal University, Hunan, China
| | - Cheng Chen
- Department of Orthopedics, The Second Affiliated Hospital, Hunan Normal University, Hunan, China
| | - Hai Bin Zhang
- Department of Orthopedics, The Xiangya Hospital of Central South University Changsha, Hunan, China
| | - Wen Dong Cao
- Department of Orthopedics, The Second Affiliated Hospital, Hunan Normal University, Hunan, China
| | - Qi Wu
- Department of Orthopedics, The Second Affiliated Hospital, Hunan Normal University, Hunan, China
| | - Chi Ma
- Department of Orthopedics, The First Affiliated Hospital (People’s Hospital of Xiangxi Autonomous Prefecture), Jishou University, Jishou, China
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31
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Jiang L, Zhou Y, Shen J, Chen Y, Ma Z, Yu Y, Chu M, Qian Q, Zhuang X, Xia S. RNA Sequencing Reveals LINC00167 as a Potential Diagnosis Biomarker for Primary Osteoarthritis: A Multi-Stage Study. Front Genet 2021; 11:539489. [PMID: 33519887 PMCID: PMC7841430 DOI: 10.3389/fgene.2020.539489] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 11/27/2020] [Indexed: 12/28/2022] Open
Abstract
Objectives Given the roles played by lncRNA in human diseases and the high incidence of OA, this study investigated the pivotal pathways involved in the disease and identified potential biomarkers for OA diagnosis. Methods We first performed an exploration of RNA-sequencing in peripheral blood leukocytes from six subjects (3 OA and 3 healthy controls). Promising candidate lncRNAs were evaluated in first stage validation using a GEO dataset (GSE114007) of 38 subjects (20 OA and 18 healthy controls), followed by a second stage validation using quantitative PCR analysis with 101 subjects (67 OA and 34 controls). The third stage investigated the potential value of validated lncRNA in the early diagnosis of OA in peripheral blood leukocytes from a total of 120 participants (60 cases and 60 controls). Results The dataset identified a total of 1,380 up-regulated and 719 down-regulated mRNAs and 5,743 up-regulated and 7,384 down-regulated lncRNAs. The up-regulated DEGs were mainly enriched in the extracellular matrix, while the down-regulated DEGs were mainly enriched in the IL-17 and wnt signaling pathways. 18 overlapping candidate lncRNAs survived after first-stage validation. 3 hub lncRNAs were selected for the second validation stage and qualified in an external sample, and lncRNA LINC00167 was further confirmed with a similar result (down-expressed in both stages). Receiver operating characteristic analysis showed that LINC00167 can distinguish OA cases from healthy controls with a high area under the curve of 0.879 (95%CI: 0.819, 0.938; P < 0.001), with a sensitivity of 80.7% and specificity of 83.5%. Conclusion The expression profile of OA was identified and critical pathways were elucidated by an integrated approach to RNA-seq from easily accessible blood. LINC00167 may serve as a potential early diagnosis marker for OA in clinical practice. The detailed mechanism of action of this lncRNA requires further elucidation in future studies.
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Affiliation(s)
- Liying Jiang
- Shanghai Key Laboratory for Molecular Imaging, Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Yiqin Zhou
- Department of Joint Surgery and Sports Medicine, Shanghai Changzheng Hospital, Second Military Medical University, Huangpu, China
| | - Junjie Shen
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, China
| | - Yi Chen
- Department of Joint Surgery and Sports Medicine, Shanghai Changzheng Hospital, Second Military Medical University, Huangpu, China
| | - Ziyuan Ma
- Department of Orthopedics, School of Medical, Strategically Strategic Medical University, Guiyang, China
| | - Yuhui Yu
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, China
| | - Minjie Chu
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, China
| | - Qirong Qian
- Shanghai Key Laboratory for Molecular Imaging, Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Xun Zhuang
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, China
| | - Shengli Xia
- Department of Orthopedics, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
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32
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Liang Q, Asila A, Deng Y, Liao J, Liu Z, Fang R. Osteopontin-induced lncRNA HOTAIR expression is involved in osteoarthritis by regulating cell proliferation. BMC Geriatr 2021; 21:57. [PMID: 33446111 PMCID: PMC7809850 DOI: 10.1186/s12877-020-01993-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 12/29/2020] [Indexed: 01/16/2023] Open
Abstract
Background Osteopontin plays critical roles in osteoarthritis (OA) by regulating the functions of osteoclasts. It is known that osteopontin can induce the expression of lncRNA HOX transcript antisense RNA (HOTAIR), indicating the involvement of HOTAIR in OA. This study was carried out to investigate the role of HOTAIR in OA. Methods Synovial fluid was extracted from both OA patients (n = 58) and healthy controls (n = 58). Expression of osteopontin and HOTAIR in synovial fluid was determined by RT-qPCR. Osteopontin was used to treat chondrocytes at dosages of 0, 1, 5 and 10 µg/ml, followed by measurement of HOTAIR expression by RT-qPCR. The role of osteopontin and HOTAIR overexpression, as well as HOTAIR knockdown in regulating the proliferation of chondrocytes was analyzed by cck-8 assay. Results HOTAIR was upregulated in OA. A positive correlation between HOTAIR and osteopontin was observed. In the primary chondrocytes, osteopontin treatment increased HOTAIR expression, while HOTAIR overexpression and knockdown failed to significantly affect osteopontin expression. In addition, osteopontin and HOTAIR overexpression increased chondrocyte proliferation, while HOTAIRE knockdown decreased chondrocyte proliferation. In addition, HOTAIR knockdown reduced the effects of osteopontin treatment on cell proliferation. Conclusions Osteopontin-induced HOTAIR expression is involved in osteoarthritis by regulating cell proliferation.
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Affiliation(s)
- Quanzhi Liang
- Department of Orthopedics, Chinese Medicine Hospital of Xinjiang Uygur Autonomous Region, No. 116, Huanghe Road, Shayibake District, 830000, Urumqi City, Xinjiang Province, People's Republic of China
| | - Ailijiang Asila
- Department of Orthopedics, Chinese Medicine Hospital of Xinjiang Uygur Autonomous Region, No. 116, Huanghe Road, Shayibake District, 830000, Urumqi City, Xinjiang Province, People's Republic of China
| | - Yingjie Deng
- Department of Orthopedics, Chinese Medicine Hospital of Xinjiang Uygur Autonomous Region, No. 116, Huanghe Road, Shayibake District, 830000, Urumqi City, Xinjiang Province, People's Republic of China
| | - Jun Liao
- Department of Orthopedics, Chinese Medicine Hospital of Xinjiang Uygur Autonomous Region, No. 116, Huanghe Road, Shayibake District, 830000, Urumqi City, Xinjiang Province, People's Republic of China
| | - Zhenfeng Liu
- Department of Rehabilitation, the Ninth People's Hospital of Wuxi, 214000, Wuxi City, Jiangsu Province, People's Republic of China
| | - Rui Fang
- Department of Orthopedics, Chinese Medicine Hospital of Xinjiang Uygur Autonomous Region, No. 116, Huanghe Road, Shayibake District, 830000, Urumqi City, Xinjiang Province, People's Republic of China.
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Boraldi F, Lofaro FD, Quaglino D. Apoptosis in the Extraosseous Calcification Process. Cells 2021; 10:cells10010131. [PMID: 33445441 PMCID: PMC7827519 DOI: 10.3390/cells10010131] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 12/13/2022] Open
Abstract
Extraosseous calcification is a pathologic mineralization process occurring in soft connective tissues (e.g., skin, vessels, tendons, and cartilage). It can take place on a genetic basis or as a consequence of acquired chronic diseases. In this last case, the etiology is multifactorial, including both extra- and intracellular mechanisms, such as the formation of membrane vesicles (e.g., matrix vesicles and apoptotic bodies), mitochondrial alterations, and oxidative stress. This review is an overview of extraosseous calcification mechanisms focusing on the relationships between apoptosis and mineralization in cartilage and vascular tissues, as these are the two tissues mostly affected by a number of age-related diseases having a progressively increased impact in Western Countries.
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Affiliation(s)
- Federica Boraldi
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.D.L.); (D.Q.)
- Correspondence:
| | - Francesco Demetrio Lofaro
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.D.L.); (D.Q.)
| | - Daniela Quaglino
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.D.L.); (D.Q.)
- Interuniversity Consortium for Biotechnologies (CIB), Italy
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Jiang H, Dai J, Zhang C, Sun H, Tang X. Circ_0045714 alleviates TNF-α-induced chondrocyte injury and extracellular matrix degradation through miR-218-5p/HRAS axis. J Bioenerg Biomembr 2021; 53:97-107. [PMID: 33394311 DOI: 10.1007/s10863-020-09868-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 12/15/2020] [Indexed: 10/22/2022]
Abstract
Emerging evidence suggests that dysregulated circular RNAs (circRNAs) play a pivotal role in osteoarthritis (OA). Circ_0045714 is a functional circRNAs, and has been revealed to involve in the process of OA. However, the molecular mechanisms by which circ_0045714 regulates OA progression are not thoroughly elucidated. Circ_0045714 expression was decreased in OA and TNF-α-induced chondrocytes, ectopic overexpression of circ_0045714 abolished TNF-α-induced cell apoptosis, inflammation, extracellular matrix (ECM) degradation promotion and proliferation inhibition. In a mechanical study, circ_0045714 targeted miR-218-5p, and miR-218-5p overexpression reversed the effects of circ_0045714 on TNF-α-induced chondrocytes. Besides that, HRAS was a target of miR-218-5p, and HRAS knockdown attenuated the protective effects of miR-218-5p inhibition on TNF-α-induced chondrocyte dysfunction. Additionally, circ_0045714 could regulate HRAS expression via miR-218-5p in chondrocytes. Up-regulation of circ_0045714 suppressed TNF-α-induced chondrocyte growth inhibition, inflammation, and ECM degradation via miR-218-5p/HRAS axis, suggesting a novel insight into the pathogenesis of OA and the potential protective role of circ_0045714 in the occurrence and development of OA.
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Affiliation(s)
- Haitao Jiang
- Department of Orthopedics, The Affiliated No. 1 People's Hospital of Nangjing Medical University, No.1, Huanghe West Road, Huaiyin District, Huai'an, 223300, China
| | - Jian Dai
- Department of Orthopedics, The Affiliated No. 1 People's Hospital of Nangjing Medical University, No.1, Huanghe West Road, Huaiyin District, Huai'an, 223300, China
| | - Cheng Zhang
- Department of Orthopedics, The Affiliated No. 1 People's Hospital of Nangjing Medical University, No.1, Huanghe West Road, Huaiyin District, Huai'an, 223300, China
| | - Hailang Sun
- Department of Orthopedics, The Affiliated No. 1 People's Hospital of Nangjing Medical University, No.1, Huanghe West Road, Huaiyin District, Huai'an, 223300, China
| | - Xiaoming Tang
- Department of Orthopedics, The Affiliated No. 1 People's Hospital of Nangjing Medical University, No.1, Huanghe West Road, Huaiyin District, Huai'an, 223300, China.
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Peripheral expression of ANRIL is increased in axial spondyloarthritis patients, and particularly in females. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2020.100901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Li D, Yang C, Yin C, Zhao F, Chen Z, Tian Y, Dang K, Jiang S, Zhang W, Zhang G, Qian A. LncRNA, Important Player in Bone Development and Disease. Endocr Metab Immune Disord Drug Targets 2020; 20:50-66. [PMID: 31483238 DOI: 10.2174/1871530319666190904161707] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/26/2019] [Accepted: 08/20/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND Bone is an important tissue and its normal function requires tight coordination of transcriptional networks and signaling pathways, and many of these networks/ pathways are dysregulated in pathological conditions affecting cartilage and bones. Long non-coding RNA (lncRNA) refers to a class of RNAs with a length of more than 200 nucleotides, lack of protein-coding potential, and exhibiting a wide range of biological functions. Although studies on lcnRNAs are still in their infancy, they have emerged as critical players in bone biology and bone diseases. The functions and exact mechanism of bone-related lncRNAs have not been fully classified yet. OBJECTIVE The objective of this article is to summarize the current literature on lncRNAs on the basis of their role in bone biology and diseases, focusing on their emerging molecular mechanism, pathological implications and therapeutic potential. DISCUSSION A number of lncRNAs have been identified and shown to play important roles in multiple bone cells and bone disease. The function and mechanism of bone-related lncRNA remain to be elucidated. CONCLUSION At present, majority of knowledge is limited to cellular levels and less is known on how lncRNAs could potentially control the development and homeostasis of bone. In the present review, we highlight some lncRNAs in the field of bone biology and bone disease. We also delineate some lncRNAs that might have deep impacts on understanding bone diseases and providing new therapeutic strategies to treat these diseases.
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Affiliation(s)
- Dijie Li
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Chaofei Yang
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Chong Yin
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Fan Zhao
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Zhihao Chen
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Ye Tian
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Kai Dang
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Shanfeng Jiang
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Wenjuan Zhang
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Ge Zhang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, SAR, China.,Institute of Integrated Bioinfomedicine and Translational Science, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, SAR, China
| | - Airong Qian
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,Research Center for Special Medicine and Health Systems Engineering, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.,NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
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Bai Q, Cao J, Dong T, Tao F. <p>Transcriptome Analysis of Dorsal Root Ganglion in Rats with Knee Joint Inflammation</p>. J Pain Res 2020; 13:2709-2720. [PMID: 33149663 PMCID: PMC7604464 DOI: 10.2147/jpr.s278474] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 10/07/2020] [Indexed: 11/23/2022] Open
Abstract
Background Methods Results Conclusion
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Affiliation(s)
- Qian Bai
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Henan, People’s Republic of China
| | - Jing Cao
- Department of Anatomy, School of Basic Medical Sciences, Zhengzhou University, Henan, People’s Republic of China
| | - Tieli Dong
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Henan, People’s Republic of China
- Correspondence: Tieli Dong The Second Affiliated Hospital of Zhengzhou University, Henan, People’s Republic of China Email
| | - Feng Tao
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas, USA
- Feng Tao Texas A&M University College of Dentistry, Dallas, Texas, USA Email
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van Hoolwerff M, Metselaar PI, Tuerlings M, Suchiman HED, Lakenberg N, Ramos YFM, Cats D, Nelissen RGHH, Broekhuis D, Mei H, de Almeida RC, Meulenbelt I. Elucidating Epigenetic Regulation by Identifying Functional cis-Acting Long Noncoding RNAs and Their Targets in Osteoarthritic Articular Cartilage. Arthritis Rheumatol 2020; 72:1845-1854. [PMID: 32840049 PMCID: PMC7702083 DOI: 10.1002/art.41396] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 06/02/2020] [Indexed: 12/23/2022]
Abstract
Objective To identify robustly differentially expressed long noncoding RNAs (lncRNAs) with osteoarthritis (OA) pathophysiology in cartilage and to explore potential target messenger RNA (mRNA) by establishing coexpression networks, followed by functional validation. Methods RNA sequencing was performed on macroscopically lesioned and preserved OA cartilage from patients who underwent joint replacement surgery due to OA (n = 98). Differential expression analysis was performed on lncRNAs that were annotated in GENCODE and Ensembl databases. To identify potential interactions, correlations were calculated between the identified differentially expressed lncRNAs and the previously reported differentially expressed protein‐coding genes in the same samples. Modulation of chondrocyte lncRNA expression was achieved using locked nucleic acid GapmeRs. Results By applying our in‐house pipeline, we identified 5,053 lncRNAs that were robustly expressed, of which 191 were significantly differentially expressed (according to false discovery rate) between lesioned and preserved OA cartilage. Upon integrating mRNA sequencing data, we showed that intergenic and antisense differentially expressed lncRNAs demonstrate high, positive correlations with their respective flanking sense genes. To functionally validate this observation, we selected P3H2‐AS1, which was down‐regulated in primary chondrocytes, resulting in the down‐regulation of P3H2 gene expression levels. As such, we can confirm that P3H2‐AS1 regulates its sense gene P3H2. Conclusion By applying an improved detection strategy, robustly differentially expressed lncRNAs in OA cartilage were detected. Integration of these lncRNAs with differential mRNA expression levels in the same samples provided insight into their regulatory networks. Our data indicate that intergenic and antisense lncRNAs play an important role in regulating the pathophysiology of OA.
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Affiliation(s)
| | | | | | | | - Nico Lakenberg
- Leiden University Medical Center, Leiden, The Netherlands
| | | | - Davy Cats
- Leiden University Medical Center, Leiden, The Netherlands
| | | | | | - Hailiang Mei
- Leiden University Medical Center, Leiden, The Netherlands
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Zhang G, Zhang Q, Zhu J, Tang J, Nie M. LncRNA ARFRP1 knockdown inhibits LPS-induced the injury of chondrocytes by regulation of NF-κB pathway through modulating miR-15a-5p/TLR4 axis. Life Sci 2020; 261:118429. [PMID: 32931797 DOI: 10.1016/j.lfs.2020.118429] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 09/02/2020] [Accepted: 09/08/2020] [Indexed: 12/15/2022]
Abstract
AIMS Long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) have been reported as the important regulators in osteoarthritis (OA). However, the detailed mechanism is implicated. The aim of this study is to reveal the functional mechanism of lncRNA ARFRP1 and miR-15a-5p in osteoarthritis. MATERIALS AND METHODS The expression level of genes was detected by quantitative real time polymerase chain reaction (qRT-PCR) or western blot assay. Cell Counting Kit-8 (CCK-8) was used to assess cell viability. Cell apoptosis rate was analyzed by flow cytometry analysis. Furthermore, Enzyme-linked immunosorbent assay (ELISA) was performed to measure tumor necrosis factor-α (TNF-α), interleukin (IL)-6 and IL-1β contents. The interaction between miR-15a-5p and ARFRP1 or Toll-like receptor 4 (TLR4) was predicted by miRcode or PITA, and then confirmed by the dual luciferase reporter assay or pull down assay. Besides, NF-κB-driven luciferase activity was determined using NF-κB luciferase reporter assay. KEY FINDINGS ARFRP1 and TLR4 levels were increased and miR-15a-5p level was decreased in OA cartilage tissues and lipopolysaccharides (LPS)-induced chondrocytes. ARFRP1 knockdown inhibited LPS-induced the injury of chondrocytes. Interestingly, miR-15a-5p downregulated by ARFRP1 negatively modulated TLR4 expression through interaction. ARFRP1 mediated LPS-induced the injury of chondrocytes via regulating miR-15a-5p/TLR4 axis. Furthermore, ARFRP1 exerted function by modulation of NF-κB pathway. SIGNIFICANCE Our findings confirmed that ARFRP1 mediated LPS-induced the injury of chondrocytes through regulating NF-κB pathway by modulation of miR-15a-5p/TLR4 axis, providing theoretical basis for the treatment of OA patients.
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Affiliation(s)
- Guangcheng Zhang
- Department of Orthopedics, Affiliated Hospital of Jiangsu University, Jiangsu, Zhejiang, China
| | - Qing Zhang
- Department of Orthopedics, Affiliated Hospital of Jiangsu University, Jiangsu, Zhejiang, China
| | - Juan Zhu
- Department of Anesthesiology, Affiliated Hospital of Jiangsu University, Jiangsu, Zhejiang, China
| | - Jiazhu Tang
- Department of Orthopedics, Affiliated Hospital of Jiangsu University, Jiangsu, Zhejiang, China
| | - Mingjun Nie
- Department of Orthopedics, Affiliated Hospital of Jiangsu University, Jiangsu, Zhejiang, China.
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Tu J, Huang W, Zhang W, Mei J, Zhu C. The emerging role of lncRNAs in chondrocytes from osteoarthritis patients. Biomed Pharmacother 2020; 131:110642. [PMID: 32927251 DOI: 10.1016/j.biopha.2020.110642] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/07/2020] [Accepted: 08/16/2020] [Indexed: 02/07/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) play important roles in many physiological and pathological processes, including osteoarthritis (OA). Recent studies have demonstrated that lncRNAs are involved in the pathogenesis of OA by affecting various essential cellular features of chondrocytes, such as proliferation, apoptosis, inflammation, and degradation of the extracellular matrix (ECM). However, there are only a limited number of studies in this area, indicating that the role of lncRNAs in OA may have been overlooked. The aim of this literature review is to summarize the versatile roles and molecular mechanisms of lncRNAs in chondrocytes involved in OA. At the end of this article, the function of the lncRNA HOX transcript antisense RNA (HOTAIR) in chondrocytes in OA is highlighted. Because lncRNAs affect proliferation, apoptosis, inflammatory responses, and ECM degradation by chondrocytes in OA, they may serve as potential biomarkers or therapeutic targets for the diagnosis or treatment of OA. The specific role and related mechanisms of lncRNAs in OA warrants further investigation.
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Affiliation(s)
- Jiajie Tu
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Hefei, China.
| | - Wei Huang
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Weiwei Zhang
- Departments of Geriatrics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Jiawei Mei
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Chen Zhu
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China.
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Liu X, Li M, Zhang B, Zhang N, Feng Q. A landscape of circulating long non-coding RNA (lncRNA) expression profile and the predictive value of candidate lncRNAs for disease risk of knee osteoarthritis. J Clin Lab Anal 2020; 34:e23423. [PMID: 32557900 PMCID: PMC7521218 DOI: 10.1002/jcla.23423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 02/13/2020] [Accepted: 02/22/2020] [Indexed: 12/15/2022] Open
Abstract
Background This study aimed to investigate the plasma long non‐coding RNA (lncRNA) expression profile in knee osteoarthritis (KOA) patients and the value of candidate lncRNAs for predicting KOA risk. Methods Plasma was obtained for RNA sequencing (RNA‐seq) in eight KOA patients and eight healthy controls (Ctrls). Ten candidate lncRNAs were then selected from the differentially expressed (DE) lncRNAs according to the rank of absolute value of Log2 (fold change). Afterward, RT‐qPCR was used to examine 10 candidate lncRNAs expressions in plasma of 100 KOA patients and 100 Ctrls. Results In eight KOA patients and eight Ctrls, principal component analysis and heatmap plots disclosed that lncRNA and mRNA expression profile could distinguish KOA patients from Ctrls. Then Volcano plot identified 418 upregulated lncRNAs, 347 downregulated lncRNAs, 521 upregulated mRNAs, and 333 downregulated mRNAs in KOA patients compared to Ctrls. Next, enrichment analyses revealed that DE lncRNAs were mainly enriched in biological processes, molecular functions, and signaling pathways related to inflammation and bone formation. In 100 KOA patients and 100 Ctrls, eight candidate lncRNAs were dysregulated in KOA patients compared to Ctrls, including lncRNA ABCF2P2, lncRNA RP13‐16H11.7, lncRNA CTC‐340A15.2, lncRNA RP4‐735C1.6, lncRNA RP11‐293G6‐B.8, lncRNA RP11‐1246C19.1, lncRNA RP11‐303E16.6, and lncRNA RP5‐882C2.2. Receiver operating characteristic curve analysis revealed that these eight candidate lncRNAs presented with values for predicting KOA risk. Furthermore, multivariate logistic regression elucidated that six candidate lncRNAs could independently predict KOA risk. Conclusion We disclosed a landscape of circulating lncRNA expression profile in KOA patients, and discovered several specific lncRNAs which could assist in KOA management.
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Affiliation(s)
- Xuanyi Liu
- The Fourth Department of Orthopedics, Cangzhou People's Hospital, Cangzhou, China
| | - Mian Li
- The Fourth Department of Orthopedics, Cangzhou People's Hospital, Cangzhou, China
| | - Bingyao Zhang
- The Graduate School of Chengde Medical University, Chengde, China
| | - Ning Zhang
- The Graduate School of Chengde Medical University, Chengde, China
| | - Qing Feng
- The Fourth Department of Orthopedics, Cangzhou People's Hospital, Cangzhou, China
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He L, Chen Y, Ke Z, Pang M, Yang B, Feng F, Wu Z, Liu C, Liu B, Zheng X, Wu T, Shu T. Exosomes derived from miRNA-210 overexpressing bone marrow mesenchymal stem cells protect lipopolysaccharide induced chondrocytes injury via the NF-κB pathway. Gene 2020; 751:144764. [DOI: 10.1016/j.gene.2020.144764] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 04/30/2020] [Accepted: 05/11/2020] [Indexed: 01/02/2023]
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Yang Y, Xing D, Wang Y, Jia H, Li B, Li JJ. A long non-coding RNA, HOTAIR, promotes cartilage degradation in osteoarthritis by inhibiting WIF-1 expression and activating Wnt pathway. BMC Mol Cell Biol 2020; 21:53. [PMID: 32650720 PMCID: PMC7350747 DOI: 10.1186/s12860-020-00299-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 07/02/2020] [Indexed: 12/17/2022] Open
Abstract
Background Long noncoding RNAs (lncRNAs) are recently found to be critical regulators of the epigenome. However, our knowledge of their role in osteoarthritis (OA) development is limited. This study investigates the mechanism by which HOTAIR, a key lncRNA with elevated expression in OA, affects OA disease progression. Results HOTAIR expression was greatly elevated in osteoarthritic compared to normal chondrocytes. Silencing and over-expression of HOTAIR in SW1353 cells respectively reduced and increased the expression of genes associated with cartilage degradation in OA. Investigation of molecular pathways revealed that HOTAIR acted directly on Wnt inhibitory factor 1 (WIF-1) by increasing histone H3K27 trimethylation in the WIF-1 promoter, leading to WIF-1 repression that favours activation of the Wnt/β-catenin pathway. Conclusions Activation of Wnt/β-catenin signalling by HOTAIR through WIF-1 repression in osteoarthritic chondrocytes increases catabolic gene expression and promotes cartilage degradation. This is the first study to demonstrate a direct link between HOTAIR, WIF-1 and OA progression, which may be useful for future investigations into disease biomarkers or therapeutic targets.
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Affiliation(s)
- Yang Yang
- Department of Orthopaedics, Tianjin Hospital, Tianjin, 300211, China
| | - Dan Xing
- Arthritis Clinic & Research Center, Peking University People's Hospital, Peking University, Beijing, 100044, China
| | - Yawei Wang
- Department of Electromyography, Tianjin Hospital, Tianjin, 300211, China
| | - Haobo Jia
- Department of Orthopaedics, Tianjin Hospital, Tianjin, 300211, China
| | - Bing Li
- Department of Orthopaedics, Tianjin Hospital, Tianjin, 300211, China
| | - Jiao Jiao Li
- Kolling Institute, Faculty of Medicine and Health, University of Sydney, St Leonards, NSW, 2065, Australia. .,School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia.
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Yang H, Cao Y, Zhang J, Liang Y, Su X, Zhang C, Liu H, Han X, Ge L, Fan Z. DLX5 and HOXC8 enhance the chondrogenic differentiation potential of stem cells from apical papilla via LINC01013. Stem Cell Res Ther 2020; 11:271. [PMID: 32631410 PMCID: PMC7336658 DOI: 10.1186/s13287-020-01791-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 06/04/2020] [Accepted: 06/26/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Mesenchymal stem cell (MSC)-based cartilage tissue regeneration is a treatment with great potential. How to enhance the MSC chondrogenic differentiation is a key issue involved in cartilage formation. In the present study, we seek to expound the phenotypes and mechanisms of DLX5 in chondrogenic differentiation function in MSCs. METHODS Stem cells from apical papilla (SCAPs) were used. The Alcian Blue staining, pellet culture system, and cell transplantation in rabbit knee cartilage defect were used to evaluate the chondrogenic differentiation function of MSCs. Western blot, real-time RT-PCR, and ChIP assays were used to evaluate the molecular mechanisms. RESULTS DLX5 and HOXC8 expressions were upregulated during chondrogenic differentiation. In vitro results showed that DLX5 and HOXC8 enhanced the expression of chondrogenic markers including collagen II (COL2), collagen V (COL5), and sex-determining region Y box protein 9 (SOX9) and promoted the chondrogenic differentiation and the formation of cartilage clumps in the pellet culture system. Mechanically, DLX5 and HOXC8 formed protein complexes and negatively regulated the LncRNA, LINC01013, via directly binding its promoter. In vivo transplantation experiment showed that DLX5 and HOXC8 could restore the cartilage defect in the rabbit knee model. In addition, knock-down of LINC01013 enhanced the chondrogenic differentiation of SCAPs. CONCLUSIONS In conclusion, DLX5 and HOXC8 enhance the chondrogenic differentiation abilities of SCAPs by negatively regulating LINC01013 in SCAPs, and provided the potential target for promoting cartilage tissue regeneration.
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Affiliation(s)
- Haoqing Yang
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatology Hospital, School of Stomatology, Capital Medical University, No. 4 Tian Tan Xi Li, Dongcheng District, Beijing, 100050, China
| | - Yangyang Cao
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatology Hospital, School of Stomatology, Capital Medical University, No. 4 Tian Tan Xi Li, Dongcheng District, Beijing, 100050, China
| | - Jianpeng Zhang
- Department of Endodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, 100050, China
| | - Yuncun Liang
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatology Hospital, School of Stomatology, Capital Medical University, No. 4 Tian Tan Xi Li, Dongcheng District, Beijing, 100050, China
| | - Xiaomin Su
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatology Hospital, School of Stomatology, Capital Medical University, No. 4 Tian Tan Xi Li, Dongcheng District, Beijing, 100050, China
| | - Chen Zhang
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatology Hospital, School of Stomatology, Capital Medical University, No. 4 Tian Tan Xi Li, Dongcheng District, Beijing, 100050, China
| | - Huina Liu
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatology Hospital, School of Stomatology, Capital Medical University, No. 4 Tian Tan Xi Li, Dongcheng District, Beijing, 100050, China
| | - Xiao Han
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatology Hospital, School of Stomatology, Capital Medical University, No. 4 Tian Tan Xi Li, Dongcheng District, Beijing, 100050, China
| | - Lihua Ge
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatology Hospital, School of Stomatology, Capital Medical University, No. 4 Tian Tan Xi Li, Dongcheng District, Beijing, 100050, China
| | - Zhipeng Fan
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatology Hospital, School of Stomatology, Capital Medical University, No. 4 Tian Tan Xi Li, Dongcheng District, Beijing, 100050, China.
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Wang CL, Zuo B, Li D, Zhu JF, Xiao F, Zhang XL, Chen XD. The long noncoding RNA H19 attenuates force-driven cartilage degeneration via miR-483-5p/Dusp5. Biochem Biophys Res Commun 2020; 529:210-217. [PMID: 32703413 DOI: 10.1016/j.bbrc.2020.05.180] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 05/25/2020] [Indexed: 02/04/2023]
Abstract
Developmental dysplasia of the hip (DDH) is a common hip disease characterized by abnormal development of the acetabulum and femoral head. In most cases, DDH ultimately leads to osteoarthritis. Anomalous biomechanical force plays an important role in cartilage degeneration in DDH. However, in addition to mechanical wear, the underlying molecular mechanisms in cartilage degeneration in DDH remain unclear. This study analyzed the effect of long noncoding RNA (lncRNA)-H19 on DDH cartilage degradation. To elucidate the specific role of lncRNA H19, we established an intermittent cyclic mechanical stress (ICMS) cell force model to simulate abnormal biomechanical environment in vitro. Then, the roles of lncRNA-H19 were also determined in vivo by establishing a model of swaddling DDH. We observed that patients with DDH possessed low levels of lncRNA-H19, COL2A1, and Aggrecan but high levels of MMP3 and Adamts5. The same results were also obtained in a DDH rat model. Furthermore, the data suggested that ICMS promoted cartilage degeneration and caused reorientation of the cytoskeleton, and lncRNA H19 helped inhibit cartilage degeneration. Bioinformatics analysis and lncRNA sequencing were performed, and luciferase assays showed that lncRNA H19 and Dusp5 are both direct targets of miR-483-5p. Moreover, Dups5 plays a negative role in ICMS-induced cartilage degradation by activating the Erk and p38 pathways. In vivo, lncRNA H19 had protective effects on the swaddling DDH model. These findings indicate that lncRNA-H19 played a positive role in cartilage degradation in DDH through the lncRNA H19/miR-483-5p/Dusp5 axis.
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Affiliation(s)
- Cheng-Long Wang
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Bin Zuo
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - De Li
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Jun-Feng Zhu
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Fei Xiao
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Xiao-Ling Zhang
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China.
| | - Xiao-Dong Chen
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China.
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Zhang F, Lammi MJ, Tan S, Meng P, Wu C, Guo X. Cell cycle-related lncRNAs and mRNAs in osteoarthritis chondrocytes in a Northwest Chinese Han Population. Medicine (Baltimore) 2020; 99:e19905. [PMID: 32541446 PMCID: PMC7302618 DOI: 10.1097/md.0000000000019905] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND A group of differentially expressed long non-coding RNAs (lncRNAs) have been shown to play key roles in osteoarthritis (OA), although they represented only a small proportion of lncRNAs that may be biologically and physiologically relevant. Since our knowledge of regulatory functions of non-coding RNAs is still limited, it is important to gain better understanding of their relation to the pathogenesis of OA. METHODS We performed mRNA and lncRNA microarray analysis to detect differentially expressed RNAs in chondrocytes from three OA patients compared with four healthy controls. Then, enrichment analysis of the differentially expressed mRNAs was carried out to define disease molecular networks, pathways and gene ontology (GO) function. Furthermore, target gene prediction based on the co-expression network was performed to reveal the potential relationships between lncRNAs and mRNAs, contributing an exploration of a role of lncRNAs in OA mechanism. Quantitative RT-PCR analyses were used to demonstrate the reliability of the experimental results. FINDINGS Altogether 990 lncRNAs (666 up-regulated and 324 down-regulated) and 546 mRNAs (419 up-regulated and 127 down-regulated) were differentially expressed in OA samples compared with the normal ones. The enrichment analysis revealed a set of genes involved in cell cycle. In total, 854 pairs of mRNA and lncRNA were highly linked, and further target prediction appointed 12 genes specifically for their corresponding lncRNAs. The lncRNAs lncRNA-CTD-2184D3.4, ENST00000564198.1, and ENST00000520562.1 were predicted to regulate SPC24, GALM, and ZNF345 mRNA expressions in OA. INTERPRETATION This study uncovered several novel genes potentially important in pathogenesis of OA, and forecast the potential function of lnc-CTD-2184D3.4, especially for the cell cycle in the chondrocytes. These findings may promote additional aspects in studies of OA.
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Affiliation(s)
- Feng’e Zhang
- School of Public Health, Health Science Center of Xi’an Jiaotong University
- Collaborative Innovation Center of Endemic Diseases and Health Promotion for Silk Road Region of Shaanxi Province
- Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, Xi’an, P.R. China
| | - Mikko Juhani Lammi
- School of Public Health, Health Science Center of Xi’an Jiaotong University
- Collaborative Innovation Center of Endemic Diseases and Health Promotion for Silk Road Region of Shaanxi Province
- Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, Xi’an, P.R. China
- Department of Integrative Medical Biology, University of Umeå, Umeå, Sweden
| | - Sijia Tan
- School of Public Health, Health Science Center of Xi’an Jiaotong University
- Collaborative Innovation Center of Endemic Diseases and Health Promotion for Silk Road Region of Shaanxi Province
- Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, Xi’an, P.R. China
| | - Peilin Meng
- School of Public Health, Health Science Center of Xi’an Jiaotong University
- Collaborative Innovation Center of Endemic Diseases and Health Promotion for Silk Road Region of Shaanxi Province
- Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, Xi’an, P.R. China
| | - Cuiyan Wu
- School of Public Health, Health Science Center of Xi’an Jiaotong University
- Collaborative Innovation Center of Endemic Diseases and Health Promotion for Silk Road Region of Shaanxi Province
- Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, Xi’an, P.R. China
| | - Xiong Guo
- School of Public Health, Health Science Center of Xi’an Jiaotong University
- Collaborative Innovation Center of Endemic Diseases and Health Promotion for Silk Road Region of Shaanxi Province
- Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, Xi’an, P.R. China
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Wang H, Li J, Cheng Y, Yao J. Association of Long-Chain Noncoding RNA H19 and MEG3 Gene Polymorphisms and Their Interaction with Risk of Osteoarthritis in a Chinese Han Population. Genet Test Mol Biomarkers 2020; 24:328-337. [PMID: 32364812 DOI: 10.1089/gtmb.2019.0230] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Huang Wang
- Department of Orthopedics, Hangzhou Dingqiao Hospital (Hangzhou Hospital of Traditional Chinese Medicine, Dingqiao District), Hangzhou, China
| | - Jian Li
- Department of Spinal Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, China
| | - Ye Cheng
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Jun Yao
- Department of Orthopedics, Hangzhou Dingqiao Hospital (Hangzhou Hospital of Traditional Chinese Medicine, Dingqiao District), Hangzhou, China
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Zhao J, Su Y, Jiao J, Wang Z, Fang X, He X, Zhang X, Liu Z, Xu X. Identification of lncRNA and mRNA Biomarkers in Osteoarthritic Degenerative Meniscus by Weighted Gene Coexpression Network and Competing Endogenous RNA Network Analysis. BIOMED RESEARCH INTERNATIONAL 2020; 2020:2123787. [PMID: 32685450 PMCID: PMC7341399 DOI: 10.1155/2020/2123787] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 03/26/2020] [Accepted: 04/15/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND Long noncoding RNAs (lncRNAs) play a crucial role in varieties of biological processes. This study is aimed at investigating meniscal degeneration-specific lncRNAs and mRNAs and their related networks in knee osteoarthritis (KOA). METHODS The dataset GSE98918, which included 24 meniscus samples and related clinical data, was downloaded from the Gene Expression Omnibus database. The differentially expressed lncRNAs and mRNAs in the meniscus between KOA and control groups were identified. Based on the enriched differentially expressed lncRNAs and mRNAs, we constructed the coexpression network using WGCNA (weighted correlation network analysis) and identified the critical module related to KOA. For mRNAs in the key module, gene ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses were carried out using the DAVID database. A competing endogenous RNA network (ceRNA) based on the screened mRNAs, lncRNAs, and related miRNAs was constructed to reveal presumptive biomarkers further. Finally, the hub lncRNAs and mRNAs were screened, and the diagnostic value was evaluated using a receiver operating characteristic (ROC) curve. Hub mRNAs were validated using the dataset GSE113825. RESULTS We screened 208 significantly differentially expressed lncRNAs and mRNAs in menisci between the KOA and non-KOA samples, which were enriched in sixteen modules using WGCNA, especially the green module. Coexpression network based on the enriched differentially expressed lncRNAs and mRNAs in the green module uncovered 5 lncRNAs and 56 mRNAs. The lncRNA-miRNA-mRNA ceRNA network revealed that lnc-HLA-DQA1-5, lnc-RP11-127H5.1.1-1, lnc-RTN2-1, IGFBP4 (insulin-like growth factor binding protein 4), and KLF2 (Kruppel-like factor 2) were significantly correlated with the meniscus degeneration of KOA. ROC curve analysis revealed that these hub lncRNAs and mRNAs showed excellent diagnostic value for KOA. CONCLUSIONS These hub lncRNAs and mRNAs were potential prognostic biomarkers for the meniscus degeneration of KOA. Further studies are required to validate these new biomarkers and better understand the pathological process of the meniscus degeneration of KOA.
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Affiliation(s)
- Jun Zhao
- Department of Orthopaedics, Heilongjiang University of Chinese Medicine, Heping Road, Xiangfang District, Harbin, Heilongjiang, China
| | - Yu Su
- Harbin Fifth Hospital, Jiankang Road, Xiangfang District, Harbin, Heilongjiang, China
| | - Jianfei Jiao
- Harbin Fifth Hospital, Jiankang Road, Xiangfang District, Harbin, Heilongjiang, China
| | - Zhengchun Wang
- Department of Orthopaedics, Heilongjiang University of Chinese Medicine, Heping Road, Xiangfang District, Harbin, Heilongjiang, China
| | - Xiangchun Fang
- Department of Orthopaedics, Heilongjiang University of Chinese Medicine, Heping Road, Xiangfang District, Harbin, Heilongjiang, China
| | - Xuefeng He
- Department of Orthopaedics, Heilongjiang University of Chinese Medicine, Heping Road, Xiangfang District, Harbin, Heilongjiang, China
| | - Xiaofeng Zhang
- Department of Orthopaedics, Heilongjiang University of Chinese Medicine, Heping Road, Xiangfang District, Harbin, Heilongjiang, China
| | - Zhao Liu
- Department of Orthopaedics, Heilongjiang University of Chinese Medicine, Heping Road, Xiangfang District, Harbin, Heilongjiang, China
| | - Xilin Xu
- Department of Orthopaedics, Heilongjiang University of Chinese Medicine, Heping Road, Xiangfang District, Harbin, Heilongjiang, China
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Sun H, Peng G, Wu H, Liu M, Mao G, Ning X, Yang H, Deng J. Long non-coding RNA MEG3 is involved in osteogenic differentiation and bone diseases (Review). Biomed Rep 2020; 13:15-21. [PMID: 32494359 PMCID: PMC7257936 DOI: 10.3892/br.2020.1305] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 03/13/2020] [Indexed: 12/13/2022] Open
Abstract
Osteogenic differentiation originating from mesenchymal stem cells (MSCs) requires tight co-ordination of transcriptional factors, signaling pathways and biomechanical cues. Dysregulation of such reciprocal networks may influence the proliferation and apoptosis of MSCs and osteoblasts, thereby impairing bone metabolism and homeostasis. An increasing number of studies have shown that long non-coding (lnc)RNAs are involved in osteogenic differentiation and thus serve an important role in the initiation, development, and progression of bone diseases such as tumors, osteoarthritis and osteoporosis. It has been reported that the lncRNA, maternally expressed gene 3 (MEG3), regulates osteogenic differentiation of multiple MSCs and also acts as a critical mediator in the development of bone formation and associated diseases. In the present review, the proposed mechanisms underlying the roles of MEG3 in osteogenic differentiation and its potential effects on bone diseases are discussed. These discussions may help elucidate the roles of MEG3 in osteogenic differentiation and highlight potential biomarkers and therapeutic targets for the treatment of bone diseases.
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Affiliation(s)
- Hong Sun
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Guoxuan Peng
- Department of Emergency Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Hongbin Wu
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Miao Liu
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Guping Mao
- Department of Joint Surgery, Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Xu Ning
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Hua Yang
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Jin Deng
- Department of Emergency Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
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Zhang J, Le TD, Liu L, Li J. Inferring and analyzing module-specific lncRNA-mRNA causal regulatory networks in human cancer. Brief Bioinform 2020; 20:1403-1419. [PMID: 29401217 DOI: 10.1093/bib/bby008] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 01/08/2018] [Indexed: 12/12/2022] Open
Abstract
It is known that noncoding RNAs (ncRNAs) cover ∼98% of the transcriptome, but do not encode proteins. Among ncRNAs, long noncoding RNAs (lncRNAs) are a large and diverse class of RNA molecules, and are thought to be a gold mine of potential oncogenes, anti-oncogenes and new biomarkers. Although only a minority of lncRNAs is functionally characterized, it is clear that they are important regulators to modulate gene expression and involve in many biological functions. To reveal the functions and regulatory mechanisms of lncRNAs, it is vital to understand how lncRNAs regulate their target genes for implementing specific biological functions. In this article, we review the computational methods for inferring lncRNA-mRNA interactions and the third-party databases of storing lncRNA-mRNA regulatory relationships. We have found that the existing methods are based on statistical correlations between the gene expression levels of lncRNAs and mRNAs, and may not reveal gene regulatory relationships which are causal relationships. Moreover, these methods do not consider the modularity of lncRNA-mRNA regulatory networks, and thus, the networks identified are not module-specific. To address the above two issues, we propose a novel method, MSLCRN, to infer and analyze module-specific lncRNA-mRNA causal regulatory networks. We have applied it into glioblastoma multiforme, lung squamous cell carcinoma, ovarian cancer and prostate cancer, respectively. The experimental results show that MSLCRN, as an expression-based method, could be a useful complementary method to study lncRNA regulations.
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