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Li Z, Lu J. CircRNAs in osteoarthritis: research status and prospect. Front Genet 2023; 14:1173812. [PMID: 37229197 PMCID: PMC10203419 DOI: 10.3389/fgene.2023.1173812] [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: 02/25/2023] [Accepted: 04/18/2023] [Indexed: 05/27/2023] Open
Abstract
Osteoarthritis (OA) is the most common joint disease globally, and its progression is irreversible. The mechanism of osteoarthritis is not fully understood. Research on the molecular biological mechanism of OA is deepening, among which epigenetics, especially noncoding RNA, is an emerging hotspot. CircRNA is a unique circular noncoding RNA not degraded by RNase R, so it is a possible clinical target and biomarker. Many studies have found that circRNAs play an essential role in the progression of OA, including extracellular matrix metabolism, autophagy, apoptosis, the proliferation of chondrocytes, inflammation, oxidative stress, cartilage development, and chondrogenic differentiation. Differential expression of circRNAs was also observed in the synovium and subchondral bone in the OA joint. In terms of mechanism, existing studies have mainly found that circRNA adsorbs miRNA through the ceRNA mechanism, and a few studies have found that circRNA can serve as a scaffold for protein reactions. In terms of clinical transformation, circRNAs are considered promising biomarkers, but no large cohort has tested their diagnostic value. Meanwhile, some studies have used circRNAs loaded in extracellular vesicles for OA precision medicine. However, there are still many problems to be solved in the research, such as the role of circRNA in different OA stages or OA subtypes, the construction of animal models of circRNA knockout, and more research on the mechanism of circRNA. In general, circRNAs have a regulatory role in OA and have particular clinical potential, but further studies are needed in the future.
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Affiliation(s)
- Zhuang Li
- School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Jun Lu
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
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2
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Xue Q, Huang Y, Chang J, Cheng C, Wang Y, Wang X, Miao C. CircRNA-mediated ceRNA mechanism in Osteoarthritis: special emphasis on circRNAs in exosomes and the crosstalk of circRNAs and RNA methylation. Biochem Pharmacol 2023; 212:115580. [PMID: 37148980 DOI: 10.1016/j.bcp.2023.115580] [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: 03/09/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/08/2023]
Abstract
Osteoarthritis (OA) is an age-related joint disease with chronic inflammation, progressive articular cartilage destruction and subchondral bone sclerosis. CircRNAs (circRNAs) are a class of non-coding RNA with a circular structure that participate in a series of important pathophysiological processes of OA, especially its ceRNA mechanisms, and play an important role in OA. CircRNAs may be potential biomarkers for the diagnosis and prognosis of OA. Additionally, differentially expressed circRNAs were found in patients with OA, indicating that circRNAs are involved in the pathogenesis of OA. Experiments have shown that the intra-articular injection of modified circRNAs can effectively relieve OA. Exosomal circRNAs and methylated circRNAs also provide new ideas for the treatment of OA. Clarifying the important roles of circRNAs in OA will deepen people's understanding of the pathogenesis of OA. CircRNAs may be developed as new biomarkers or drug targets for the diagnosis of OA and provide new methods for the treatment of OA.
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Affiliation(s)
- Qiuyun Xue
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yurong Huang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Jun Chang
- Department of Orthopaedics, the First Affiliated Hospital of Anhui Medical University, Hefei, China; Anhui Public Health Clinical Center, Hefei, China.
| | - Chenglong Cheng
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yuting Wang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Xiaomei Wang
- Department of Humanistic Nursing, School of Nursing, Anhui University of Chinese Medicine, Hefei, China.
| | - Chenggui Miao
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China; Institute of Rheumatism, Anhui University of Chinese Medicine, Hefei, China
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Abbas AA, Abdulkader HA, Giordo R, Ashour HM, Erre GL, Pintus G, Zayed H. Implications and theragnostic potentials of circular RNAs in rheumatic diseases. Int J Biol Macromol 2023; 235:123783. [PMID: 36822282 DOI: 10.1016/j.ijbiomac.2023.123783] [Citation(s) in RCA: 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: 02/16/2023] [Indexed: 02/25/2023]
Abstract
Circular RNAs (circRNAs), a class of non-coding RNAs (ncRNAs), are highly stable and ubiquitous molecules that exhibit tissue-specific expression. Accumulating evidence has shown that aberrant expression of circRNAs can play a role in the pathogenesis of several diseases. Rheumatic diseases are a varied group of autoimmune and inflammatory disorders affecting mainly the musculoskeletal system. Notably, circRNAs, which are essential immune system gene modulators, are strongly linked to the occurrence and progression of autoimmune disorders. Here, we present and discuss the current findings concerning the roles, implications and theragnostic potentials of circRNAs in common rheumatic diseases, including ankylosing spondylitis (AS), osteoarthritis (OA), osteoporosis (OP), rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), Crohn's disease (CD), and gout. This review aims to provide new insights to support the development of novel diagnostic and therapeutic strategies for these disabling diseases.
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Affiliation(s)
- Alaa Ahmed Abbas
- Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Hadil Adnan Abdulkader
- Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Roberta Giordo
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, 505055 Dubai, United Arab Emirates
| | - Hossam M Ashour
- Department of Integrative Biology, College of Arts and Sciences, University of South Florida, St. Petersburg, FL 33701, USA
| | - Gian Luca Erre
- Rheumatology Unit, Department of Clinical and Experimental Medicine, University Hospital (AOUSS) and University of Sassari, 07100 Sassari, Italy
| | - Gianfranco Pintus
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43B, 07100 Sassari, Italy; Department of Medical Laboratory Sciences, College of Health Sciences and Sharjah Institute for Medical Research, University of Sharjah, University City Rd, Sharjah 27272, United Arab Emirates.
| | - Hatem Zayed
- Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, P.O. Box 2713, Doha, Qatar.
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Wang X, Wang G, Wu Z, Dong Y, Shi Y, Yang F, Chen X, Wang J, Du S, Xu H, Zheng Y. Exosomal circ-PTPN22 and circ-ADAMTS6 mark T cell exhaustion and neutrophil extracellular traps in Asian intrahepatic cholangiocarcinoma. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 31:151-163. [PMID: 36700045 PMCID: PMC9841234 DOI: 10.1016/j.omtn.2022.12.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 12/20/2022] [Indexed: 12/25/2022]
Abstract
Intrahepatic cholangiocarcinoma (ICC) is a liver tumor featured by challenges of non-invasive early diagnosis and a higher prevalence rate in Asian countries. These characteristics necessitate the development of liquid biopsy and immunotherapy methods to improve the prognosis of patients with ICC. Herein, we conducted a pilot study on the transcriptome of tumor tissues, adjacent normal tissues, and plasma exosomes of Asian patients with ICC from northern and southern China. We identified a subgroup of immunogenic Asian ICC, which is different from Caucasian ICC and is characterized by T cell exhaustion and neutrophil extracellular traps. The levels of circ-PTPN22 (hsa_circ_0110529) and circ-ADAMTS6 (hsa_circ_0072688), potential circRNA biomarkers, were elevated in the ICC tumor tissues and plasma exosomes of this subgroup than in the other subgroups and normal controls. These circRNAs were derived from post-transcriptional backsplicing of PTPN22 and ADAMTS6 that were expressed in T cells and endothelial cells, respectively, in the ICC microenvironment. Our results revealed a subgroup of Asian ICC characterized by T cell exhaustion and neutrophil extracellular traps and marked by elevated levels of circ-PTPN22 and circ-ADAMTS6 in tumor tissues and plasma exosomes. This subgroup is potentially detectable by plasma exosomal circRNAs and treatable with immune checkpoint blockade.
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Affiliation(s)
- Xuezhu Wang
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Peking Union Medical College (PUMC), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Guanqun Wang
- School of Life Sciences, Tsinghua-Peking Center for Life Sciences, Center for Synthetic and Systems Biology, Ministry of Education Key Laboratory of Bioinformatics, Tsinghua University, Beijing 100084, China
| | - Zilong Wu
- Department of Hepatobiliary Surgery, Hunan Provincial People’s Hospital, the First Affiliated Hospital of Hunan Normal University, Changsha 410005, China
| | - Yucheng Dong
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Peking Union Medical College (PUMC), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Yue Shi
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Peking Union Medical College (PUMC), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Fan Yang
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Xinyu Chen
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Peking Union Medical College (PUMC), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Jun Wang
- Department of Hepatobiliary Surgery, Hunan Provincial People’s Hospital, the First Affiliated Hospital of Hunan Normal University, Changsha 410005, China
| | - Shunda Du
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Haifeng Xu
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Corresponding author Haifeng Xu, Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), No.1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing 100730, China.
| | - Yongchang Zheng
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Corresponding author Yongchang Zheng, Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), No.1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing 100730, China.
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Mead TJ. ADAMTS6: Emerging roles in cardiovascular, musculoskeletal and cancer biology. Front Mol Biosci 2022; 9:1023511. [DOI: 10.3389/fmolb.2022.1023511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 10/05/2022] [Indexed: 11/13/2022] Open
Abstract
ADAMTS family members control mammalian development and disease, primarily through their function as proteases, by regulation of extracellular matrix composition. Until recently, ADAMTS6 was known as one of the orphan proteinases of the nineteen-member family with a relatively unknown expression pattern and function. Emerging focus on this enzyme has started to uncover these unknowns and revealed a vast importance and requirement of ADAMTS6 in cardiovascular and musculoskeletal development. In addition, ADAMTS6 has been linked to numerous disease settings including several types of cancer. This review summarizes the necessity of ADAMTS6 during development, its role in disease and requirement for essential prospective studies to fully realize its biological implications and potential for therapeutic intervention.
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Bu J, Gu L, Liu X, Nan X, Zhang X, Meng L, Zheng Y, Liu F, Li J, Li Z, Sang M, Shan B. The circRNA circADAMTS6 promotes progression of ESCC and correlates with prognosis. Sci Rep 2022; 12:13757. [PMID: 35962061 PMCID: PMC9374704 DOI: 10.1038/s41598-022-17450-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 07/26/2022] [Indexed: 11/10/2022] Open
Abstract
Circular RNAs (circRNAs) are a type of noncoding RNA, which play a vital role in the occurrence and development of esophageal squamous cell carcinoma (ESCC). While the role of novel circADAMTS6 in ESCC remains unknown. We assessed circADAMTS6 expression in ESCC tissues and cells, and the relationship between circADAMTS6 expression and overall survival of ESCC patients. Functional experiments in vitro and xenograft in vivo assay were applied to explore the functions and mechanisms of circADAMTS6 in ESCC. Results found that up-regulation of circADAMTS6 was associated with poor overall survival and may acted as an independent risk factor for ESCC prognosis. Knockdown of circADAMTS6 significantly inhibited the proliferation, migration and invasion of ESCC cells and growth of xenograft tumors in vivo. Induced AGR2 expression was able to rescue the loss of function induced by si-circADAMTS6 in KYSE150 cell. CircADAMTS6 may acts as oncogene by activating AGR2 and the Hippo signaling pathway coactivator YAP in ESCC.
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Affiliation(s)
- Jing Bu
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Lina Gu
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Xin Liu
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Xixi Nan
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Xiangmei Zhang
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Lingjiao Meng
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Yang Zheng
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Fei Liu
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Jiali Li
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Ziyi Li
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Meixiang Sang
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China. .,Tumor Research Institute, The Fourth Hospital of Hebei Medical University, 050017, Shijiazhuang, Hebei, People's Republic of China.
| | - Baoen Shan
- Department of Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China. .,Tumor Research Institute, The Fourth Hospital of Hebei Medical University, 050017, Shijiazhuang, Hebei, People's Republic of China.
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Shen L, Ji C, Lin J, Yang H. Regulation of circADAMTS6-miR-324-5p-PIK3R3 ceRNA pathway may be a novel mechanism of IL-1β-induced osteoarthritic chondrocytes. J Bone Miner Metab 2022; 40:389-401. [PMID: 35333985 DOI: 10.1007/s00774-021-01308-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 12/25/2021] [Indexed: 11/24/2022]
Abstract
INTRODUCTION A disintegrin and metallopeptidase with thrombospondin type 1 motif 6 (ADAMTS6)-derived circular RNA (circADAMTS6; hsa_circ_0008667) is a novel regulator in interleukin (IL)-1β-induced apoptosis of human chondrocytes (HCs). Here, we planned to probe into its role and mechanism underlying HCs injury in osteoarthritis. MATERIALS AND METHODS Real time-quantitative PCR and immunoblotting estimated the abundance of RNA and protein, respectively. Cell proliferation and apoptosis were measured by WST-8, EdU, fluorescein isothiocyanate, and caspase3/7 activity assays. Levels of inflammatory cytokines (IL-6 and tumor necrosis factor-α), apoptosis-related proteins (Bcl-2 and Bcl-2-associated X protein), extracellular matrix (ECM)-related proteins (matrix metalloproteinase-13 and collagen type II alpha-1), and PI3K/AKT/mTOR signaling pathway-related proteins (AKT, mTOR, phosphorylated-AKT, and phosphorylated-mTOR) were evaluated by enzyme-linked immunosorbent assays and immunoblotting. Target relationship was confirmed by dual-luciferase reporter, Argonaute-2 immunoprecipitation and RNA pull-down assays. RESULTS Abundances of circADAMTS6 and phosphoinositide-3-kinase regulatory subunit 3 (PIK3R3) were underexpressed, and microRNA (miR)-324-5p was elevated in human osteoarthritic tissues and IL-1β-induced HCs. Overexpressing circADAMTS6 and inhibiting miR-324-5p enhanced proliferation and ECM synthesis, but suppressed apoptosis and inflammatory response in IL-1β-challenged HCs. Besides, silencing circADAMTS6 caused similar effects of IL-1β stress on HCs. Mechanically, there was a direct interaction between miR-324-5p and circADAMTS6 or PIK3R3, and IL-1β-induced activation of PI3K/AKT/mTOR signaling pathway was suppressed by circADAMTS6 overexpression and miR-324-5p silencing. Furthermore, counteractive effects of miR-324-5p upregulation on circADAMTS6 overexpression and PIK3R3 knockdown on miR-324-5p silencing were observed. CONCLUSION CircADAMTS6-miR-324-5p-PIK3R3 axis might participate in IL-1β-induced HCs dysfunction via competing endogenous RNA mechanism and the PI3K/AKT/mTOR signaling pathway.
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Affiliation(s)
- Lanjuan Shen
- Department of Orthopedics, The First People's Hospital of Hangzhou, No.261, Huansha Road, Shangcheng District, Zhejiang Province, Hangzhou, 310000, China
| | - Cheng Ji
- Department of Orthopedics, The First People's Hospital of Hangzhou, No.261, Huansha Road, Shangcheng District, Zhejiang Province, Hangzhou, 310000, China
| | - Jian Lin
- Department of Orthopedics, Hangzhou Xiaoshan Hospital of Traditional Chinese Medicine, Zhejiang Province, Hangzhou City, China
| | - Hongping Yang
- Department of Orthopedics, The First People's Hospital of Hangzhou, No.261, Huansha Road, Shangcheng District, Zhejiang Province, Hangzhou, 310000, China.
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Li G, Liang R, Lian Y, Zhou Y. Circ_0002945 functions as a competing endogenous RNA to promote Aβ25-35-induced endoplasmic reticulum stress and apoptosis in SK-N-SH cells and human primary neurons. Brain Res 2022; 1785:147878. [DOI: 10.1016/j.brainres.2022.147878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 02/10/2022] [Accepted: 03/07/2022] [Indexed: 11/02/2022]
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Kong H, Sun ML, Zhang XA, Wang XQ. Crosstalk Among circRNA/lncRNA, miRNA, and mRNA in Osteoarthritis. Front Cell Dev Biol 2022; 9:774370. [PMID: 34977024 PMCID: PMC8714905 DOI: 10.3389/fcell.2021.774370] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 11/29/2021] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a joint disease that is pervasive in life, and the incidence and mortality of OA are increasing, causing many adverse effects on people's life. Therefore, it is very vital to identify new biomarkers and therapeutic targets in the clinical diagnosis and treatment of OA. ncRNA is a nonprotein-coding RNA that does not translate into proteins but participates in protein translation. At the RNA level, it can perform biological functions. Many studies have found that miRNA, lncRNA, and circRNA are closely related to the course of OA and play important regulatory roles in transcription, post-transcription, and post-translation, which can be used as biological targets for the prevention, diagnosis, and treatment of OA. In this review, we summarized and described the various roles of different types of miRNA, lncRNA, and circRNA in OA, the roles of different lncRNA/circRNA-miRNA-mRNA axis in OA, and the possible prospects of these ncRNAs in clinical application.
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Affiliation(s)
- Hui Kong
- College of Kinesiology, Shenyang Sport University, Shenyang, China
| | - Ming-Li Sun
- College of Kinesiology, Shenyang Sport University, Shenyang, China
| | - Xin-An Zhang
- College of Kinesiology, Shenyang Sport University, Shenyang, China
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China.,Department of Rehabilitation Medicine, Shanghai Shangti Orthopaedic Hospital, Shanghai, China
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Cao G, Pei Y, Li P, Liu P, Deng Y, Gao Y, Liu J, Li X. New perspectives on the roles of circular RNAs in osteoarthritis development and progression (Review). Exp Ther Med 2021; 22:1471. [PMID: 34737811 PMCID: PMC8561767 DOI: 10.3892/etm.2021.10906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 08/24/2021] [Indexed: 11/25/2022] Open
Abstract
Osteoarthritis (OA) is a common disease of the elderly, posing a major personal and socioeconomic burden. OA is characterized by painful degeneration of articular cartilage, and its prevention, diagnosis and treatment remain problematic. Circular RNAs (circRNAs) constitute a large family of non-coding RNAs that are widely distributed, stable, conserved and tissue-specific. circRNAs have been found to be closely associated with OA development and progression, and they may serve as targets for disease prevention and treatment. The aim of the present article was to review the roles of circRNAs in OA and discuss possible treatment strategies.
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Affiliation(s)
- Guoding Cao
- Department of Orthopedics, Affiliated Hospital of Gansu Medical College, Pingliang, Gansu 744000, P.R. China.,Department of Orthopedics, The 940th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Lanzhou, Gansu 730050, P.R. China
| | - Yuqi Pei
- Gansu University of Traditional Chinese Medicine, Lanzhou, Gansu 730000, P.R. China
| | - Peng Li
- Department of Orthopedics, The 940th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Lanzhou, Gansu 730050, P.R. China.,Gansu University of Traditional Chinese Medicine, Lanzhou, Gansu 730000, P.R. China
| | - Peng Liu
- Department of Orthopedics, The 940th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Lanzhou, Gansu 730050, P.R. China
| | - Yapeng Deng
- Department of Orthopedics, The 940th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Lanzhou, Gansu 730050, P.R. China.,School of Medicine, Lanzhou University, Lanzhou, Gansu 730000, P.R. China
| | - Yu Gao
- Department of Orthopedics, The 940th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Lanzhou, Gansu 730050, P.R. China.,School of Medicine, Ningxia Medical University, Yinchuan, Ningxia 750000, P.R. China
| | - Jun Liu
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi 710061, P.R. China
| | - Xusheng Li
- Department of Orthopedics, The 940th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Lanzhou, Gansu 730050, P.R. China
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Studies on the Role of circRNAs in Osteoarthritis. BIOMED RESEARCH INTERNATIONAL 2021; 2021:8231414. [PMID: 34527744 PMCID: PMC8437644 DOI: 10.1155/2021/8231414] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/31/2021] [Accepted: 08/17/2021] [Indexed: 12/30/2022]
Abstract
Objective Provide a reference to elucidate the mechanism of circRNAs regulating osteoarthritis (OA) and the clinical treatment. Methods Herein, articles about circRNAs (hsa-circ) and osteoarthritis in the recent 5 years have been reviewed and the differential expression and regulatory effect of circRNAs in OA deduced. Based on these conclusions and Protein-Protein Interaction (PPI), Gene Ontology (GO), and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses of the acquired circRNAs, the potential functions and interactions of circRNAs in OA and the involved signaling pathways are discussed. Results A total of 33 studies meeting the inclusion criteria were included in this study, and 27 circRNAs were upregulated and 8 circRNAs were downregulated in OA. A total of 31 circRNAs were finally included in the PPI, GO, and KEGG analyses. From PPI, 12 map nodes and 7 map edges were interrelated. VWF had the biggest node and edge size. From GO, VWF showed a majority of the functions. From KEGG, circRNAs are enriched in PI3K/AKT, human papillomavirus infection (HPI), and focal adhesion (FA) pathways, and VWF was involved in major pathways. Conclusion We found that most articles about circRNAs regulating OA in the recent 5 years focused on the mechanism, especially the absorption effect of circ-miRNA as sponges in the recent 2 years, while most of the articles about their functions addressed ECM and PI3K, AKT, and mTOR signaling pathways. Future studies might focus on the functions of circRNAs, and circRNA VWF, with preferable functions, interactions, and involvement, can be used as a biological indicator to detect OA in clinical practice.
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Yu J, Qin Y, Zhou N. Knockdown of Circ_SLC39A8 protects against the progression of osteoarthritis by regulating miR-591/IRAK3 axis. J Orthop Surg Res 2021; 16:170. [PMID: 33658057 PMCID: PMC7927261 DOI: 10.1186/s13018-021-02323-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 02/22/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The dysregulation of circular RNAs (circRNAs) has been identified in various human diseases, including osteoarthritis (OA). The purpose of this study was to identify the role and mechanism of circ_SLC39A8 in regulating the progression of OA. METHODS The expression levels of circ_SLC39A8, miR-591, and its potential target gene, interleukin-1-receptor-associated kinase 3 (IRAK3), were identified by quantitative real-time polymerase chain reaction (qRT-PCR). Cell viability and apoptosis were determined by Cell Counting Kit-8 (CCK-8) assay and flow cytometry, respectively. The relationship between miR-591 and circ_SLC39A8 or IRAK3 was predicted by bioinformatics tools and verified by dual-luciferase reporter. RESULTS Circ_SLC39A8 and IRAK3 were upregulated and miR-591 was downregulated in OA cartilage tissues. Knockdown of circ_SLC39A8 inhibited apoptosis and inflammation in OA chondrocytes, while these effects were reversed by downregulating miR-591. Promotion cell viability effects of miR-591 were partially reversed by IRAK3 overexpression. CONCLUSION Our findings indicated that knockdown of circ_SLC39A8 delayed the progression of OA via modulating the miR-591-IRAK3 axis, providing new insight into the molecular mechanisms of OA pathogenesis.
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Affiliation(s)
- Jizhe Yu
- Department of Orthopaedics, Yichang Central People's Hospital, 183 Yiling Avenue, Wujiagang District, Yichang City, 443003, Hubei Province, P. R. China
| | - Yushuang Qin
- Department of Nuclear Medicine, Yichang Central People's Hospital, 183 Yiling Avenue, Wujiagang District, Yichang City, 443003, Hubei Province, P. R. China
| | - Naxin Zhou
- Department of Orthopaedics, Yichang Central People's Hospital, 183 Yiling Avenue, Wujiagang District, Yichang City, 443003, Hubei Province, P. R. China.
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