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Wang C, Cheng H, Yan F, Zhang H, Zhang J, Li C, Zhao M, Shi D, Xiong H. MicroRNA-146b protects kidney injury during urinary tract infections by modulating macrophage polarization. mBio 2023; 14:e0209423. [PMID: 37909731 PMCID: PMC10870822 DOI: 10.1128/mbio.02094-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 09/14/2023] [Indexed: 11/03/2023] Open
Abstract
IMPORTANCE Kidney injury during acute urinary tract infections (UTIs) caused by uropathogenic Escherichia coli (UPEC) is an important public health problem. However, how kidney injury develops during UPEC infection is still unclear. Although antibiotic therapy is currently an effective treatment for UTI, it cannot avoid kidney injury. MicroRNAs have gained extensive attention as essential molecules capable of regulating the autoimmune response. Among these, microRNA-146b (miR-146b) is involved in regulating inflammatory responses. In the present study, we demonstrated that miR-146b played an essential role in the development of kidney injury during UTIs caused by UPEC. The results showed that miR-146b may suppress M1 macrophage polarization and alleviate acute kidney injury. Furthermore, the miR-146b activator, agomir, in order to upregulate miR-146b, was effective in treating kidney damage by inhibiting the activation of M1 macrophages. In conclusion, our findings elucidated the mechanisms by which miR-146b alleviated kidney injury induced by UTIs, shed new light on the relationship between microRNA and bacterial infection, and provided a novel therapeutic target for treating this common bacterial infection.
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Affiliation(s)
- Changying Wang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Hongyan Cheng
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Fenglian Yan
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Hui Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Junfeng Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Chunxia Li
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Mingsheng Zhao
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Dongmei Shi
- Department of Dermatology and Laboratory of Medical Mycology, Jining No. 1 People’s Hospital, Jining, Shandong, China
| | - Huabao Xiong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
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Felekkis K, Pieri M, Papaneophytou C. Exploring the Feasibility of Circulating miRNAs as Diagnostic and Prognostic Biomarkers in Osteoarthritis: Challenges and Opportunities. Int J Mol Sci 2023; 24:13144. [PMID: 37685951 PMCID: PMC10487837 DOI: 10.3390/ijms241713144] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023] Open
Abstract
Osteoarthritis (OA) is a prevalent degenerative joint disease characterized by progressive cartilage degradation and joint inflammation. As the most common aging-related joint disease, OA is marked by inadequate extracellular matrix synthesis and the breakdown of articular cartilage. However, traditional diagnostic methods for OA, relying on clinical assessments and radiographic imaging, often need to catch up in detecting early-stage disease or i accurately predicting its progression. Consequently, there is a growing interest in identifying reliable biomarkers that can facilitate early diagnosis and prognosis of OA. MicroRNAs (miRNAs) have emerged as potential candidates due to their involvement in various cellular processes, including cartilage homeostasis and inflammation. This review explores the feasibility of circulating miRNAs as diagnostic and prognostic biomarkers in OA, focusing on knee OA while shedding light on the challenges and opportunities associated with their implementation in clinical practice.
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Affiliation(s)
| | | | - Christos Papaneophytou
- Department of Life Sciences, School of Life and Health Sciences, University of Nicosia, 46 Makedonitissas Avenue, Nicosia 2417, Cyprus; (K.F.); (M.P.)
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Dalle Carbonare L, Minoia A, Braggio M, Bertacco J, Piritore FC, Zouari S, Vareschi A, Elia R, Vedovi E, Scumà C, Carlucci M, Bhandary L, Mottes M, Romanelli MG, Valenti MT. Modulation of miR-146b Expression during Aging and the Impact of Physical Activity on Its Expression and Chondrogenic Progenitors. Int J Mol Sci 2023; 24:13163. [PMID: 37685971 PMCID: PMC10488278 DOI: 10.3390/ijms241713163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/21/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023] Open
Abstract
The finding of molecules associated with aging is important for the prevention of chronic degenerative diseases and for longevity strategies. MicroRNAs (miRNAs) are post-transcriptional regulators involved in many biological processes and miR-146b-5p has been shown to be involved in different degenerative diseases. However, miR-146b-5p modulation has not been evaluated in mesenchymal stem cells (MSCs) commitment or during aging. Therefore, the modulation of miR-146b-5p in the commitment and differentiation of mesenchymal cells as well as during maturation and aging in zebrafish model were analyzed. In addition, circulating miR-146b-5p was evaluated in human subjects at different age ranges. Thus, the role of physical activity in the modulation of miR-146b-5p was also investigated. To achieve these aims, RT (real-time)-PCR, Western blot, cell transfections, and three-dimensional (3D) culture techniques were applied. Our findings show that miR-146b-5p expression drives MSCs to adipogenic differentiation and increases during zebrafish maturation and aging. In addition, miR-146b-5p expression is higher in females compared to males and it is associated with the aging in humans. Interestingly, we also observed that the physical activity of walking downregulates circulating miR-146b-5p levels in human females and increases the number of chondroprogenitors. In conclusion, miR-146b-5p can be considered an age-related marker and can represent a useful marker for identifying strategies, such as physical activity, aimed at counteracting the degenerative processes of aging.
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Affiliation(s)
- Luca Dalle Carbonare
- Department of Engineering for Innovative Medicine, University of Verona, 37100 Verona, Italy; (L.D.C.); (A.M.); (M.B.); (S.Z.); (A.V.); (R.E.)
| | - Arianna Minoia
- Department of Engineering for Innovative Medicine, University of Verona, 37100 Verona, Italy; (L.D.C.); (A.M.); (M.B.); (S.Z.); (A.V.); (R.E.)
| | - Michele Braggio
- Department of Engineering for Innovative Medicine, University of Verona, 37100 Verona, Italy; (L.D.C.); (A.M.); (M.B.); (S.Z.); (A.V.); (R.E.)
| | - Jessica Bertacco
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37100 Verona, Italy; (J.B.); (F.C.P.); (M.M.); (M.G.R.)
| | - Francesca Cristiana Piritore
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37100 Verona, Italy; (J.B.); (F.C.P.); (M.M.); (M.G.R.)
| | - Sharazed Zouari
- Department of Engineering for Innovative Medicine, University of Verona, 37100 Verona, Italy; (L.D.C.); (A.M.); (M.B.); (S.Z.); (A.V.); (R.E.)
| | - Anna Vareschi
- Department of Engineering for Innovative Medicine, University of Verona, 37100 Verona, Italy; (L.D.C.); (A.M.); (M.B.); (S.Z.); (A.V.); (R.E.)
| | - Rossella Elia
- Department of Engineering for Innovative Medicine, University of Verona, 37100 Verona, Italy; (L.D.C.); (A.M.); (M.B.); (S.Z.); (A.V.); (R.E.)
| | - Ermes Vedovi
- Recovery and Functional Rehabilitation, Integrated University Hospital of Verona, 37100 Verona, Italy; (E.V.); (C.S.)
| | - Cristina Scumà
- Recovery and Functional Rehabilitation, Integrated University Hospital of Verona, 37100 Verona, Italy; (E.V.); (C.S.)
| | - Matilde Carlucci
- Health Directorate, Integrated University Hospital of Verona, 37100 Verona, Italy;
| | | | - Monica Mottes
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37100 Verona, Italy; (J.B.); (F.C.P.); (M.M.); (M.G.R.)
| | - Maria Grazia Romanelli
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37100 Verona, Italy; (J.B.); (F.C.P.); (M.M.); (M.G.R.)
| | - Maria Teresa Valenti
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37100 Verona, Italy; (J.B.); (F.C.P.); (M.M.); (M.G.R.)
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Jian S, Luo D, Wang Y, Xu W, Zhang H, Zhang L, Zhou X. MiR-337-3p confers protective effect on facet joint osteoarthritis by targeting SKP2 to inhibit DUSP1 ubiquitination and inactivate MAPK pathway. Cell Biol Toxicol 2023; 39:1099-1118. [PMID: 34697729 DOI: 10.1007/s10565-021-09665-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 09/29/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To probe the performance of miR-337-3p on the facet joint osteoarthritis (FJOA) and its underlying mechanism. METHODS qRT-PCR and Western blot were utilized to analyze the levels of miR-337-3p and DUSP1 in the synovial tissues from 36 FJOA patients and 10 healthy controls. The human synovial fibroblasts of FJOA were isolated and cultured followed by cell transfection. Then, cells were exposed to 10 ng/mL of IL-1β to induce inflammatory response of synovial fibroblasts. The alternation on cell biological function in cell models was determined. The binding of miR-337-3p and SKP2 was predicted by StarBase, TargetScan, DIANA-microT and miRmap, and further verified by RIP assay and dual-luciferase reporter assay. Co-IP experiment and ubiquitination assay were used to display the binding of SKP2 and DUSP1 as well as the ubiquitination and degradation of DUSP1. After that, the FJOA rat model was established and miR-337-3p mimic or negative control was given to rats by tail vein injection. The pathological changes of synovial tissues, synovitis score, and inflammation level in rats were assessed. RESULTS The low expressions of miR-337-3p and DUSP1 were noticed in the synovial tissues of FJOA patients and in IL-1β-induced synovial fibroblasts, and highly expressed p-p38 MAPK was noticed. Upregulation of miR-337-3p/DUSP1 or downregulation of SKP2 inhibited IL-1β-induced proliferation and inflammatory response of synovial fibroblasts. SKP2 was the target gene of miR-337-3p, and SKP2 induced the ubiquitination and degradation of DUSP1. MiR-337-3p exerted a protective effect on FJOA rats by alleviating damage of rat synovial tissues, promoting cell apoptosis and repressing inflammatory response. CONCLUSION MiR-337-3p plays a protective role in FJOA by negatively targeting SKP2 to suppress DUSP1 ubiquitination and inactivate the p38 MAPK pathway.
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Affiliation(s)
- Shengsheng Jian
- Department of Orthopedics, the Third Affiliated Hospital (the Affiliated Luohu Hospital) of Shenzhen University, Shenzhen, Guangdong, 518001, People's Republic of China
| | - Dixin Luo
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Mid Xingang Road, Haizhu District, Guangzhou, Guangdong, 510317, People's Republic of China
| | - Yeyang Wang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Mid Xingang Road, Haizhu District, Guangzhou, Guangdong, 510317, People's Republic of China
| | - Wangyang Xu
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Mid Xingang Road, Haizhu District, Guangzhou, Guangdong, 510317, People's Republic of China
| | - Hui Zhang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Mid Xingang Road, Haizhu District, Guangzhou, Guangdong, 510317, People's Republic of China
| | - Li Zhang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Mid Xingang Road, Haizhu District, Guangzhou, Guangdong, 510317, People's Republic of China
| | - Xiaozhong Zhou
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Mid Xingang Road, Haizhu District, Guangzhou, Guangdong, 510317, People's Republic of China.
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Yassin AM, AbuBakr HO, Abdelgalil AI, Farid OA, El-Behairy AM, Gouda EM. Circulating miR-146b and miR-27b are efficient biomarkers for early diagnosis of Equidae osteoarthritis. Sci Rep 2023; 13:7966. [PMID: 37198318 DOI: 10.1038/s41598-023-35207-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 05/14/2023] [Indexed: 05/19/2023] Open
Abstract
One of the most orthopedic problems seen in the equine is osteoarthritis (OA). The present study tracks some biochemical, epigenetic, and transcriptomic factors along different stages of monoiodoacetate (MIA) induced OA in donkeys in serum and synovial fluid. The aim of the study was the detection of sensitive noninvasive early biomarkers. OA was induced by a single intra-articular injection of 25 mg of MIA into the left radiocarpal joint of nine donkeys. Serum and synovial samples were taken at zero-day and different intervals for assessment of total GAGs and CS levels as well as miR-146b, miR-27b, TRAF-6, and COL10A1 gene expression. The results showed that the total GAGs and CS levels increased in different stages of OA. The level of expression of both miR-146b and miR-27b were upregulated as OA progressed and then downregulated at late stages. TRAF-6 gene was upregulated at the late stage while synovial fluid COL10A1 was over-expressed at the early stage of OA and then decreased at the late stages (P < 0.05). In conclusion, both miR-146b and miR-27b together with COL10A1 could be used as promising noninvasive biomarkers for the very early diagnosis of OA.
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Affiliation(s)
- Aya M Yassin
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
| | - Huda O AbuBakr
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Ahmed I Abdelgalil
- Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Omar A Farid
- Department of Physiology, National Organization for Drug Control and Research, Giza, Egypt
| | - Adel M El-Behairy
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Eman M Gouda
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
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He W, Lin X. LINC00313 promotes the proliferation and inhibits the apoptosis of chondrocytes via regulating miR-525-5p/GDF5 axis. J Orthop Surg Res 2023; 18:137. [PMID: 36823651 PMCID: PMC9951454 DOI: 10.1186/s13018-023-03610-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 02/13/2023] [Indexed: 02/25/2023] Open
Abstract
BACKGROUND The present study aimed to explore the potentials of lncRNA LINC00313 in osteoarthritis (OA). METHODS qRT-PCR was performed to detect the expression of LINC00313 in OA tissues and cells. CCK-8 and EDU were used to detect cell proliferation. The ELISA test kit was conducted to detect the expression of inflammatory factors. Flow cytometry was used to detect the apoptosis rates. Western blot was applied to measure the protein expression. The luciferase reporter gene test was carried out to verify the relationship between miR-525-5p and LINC00313 or GDF5. RESULTS The data showed that the expression of LINC00313 was significantly down-regulated in OA tissues and cells. Functionally, LINC00313 promoted the proliferation of chondrocytes and suppressed the secretion of inflammatory factors and cell apoptosis. Moreover, LINC00313 functioned as a ceRNA to up-regulate the expression of GDF5 via sponging miR-525-5p. Luciferase and RNA pull-down assays further verified the interaction between miR-525-5p and LINC00313 (or GDF5). Moreover, overexpression of miR-525-5p or down-regulated GDF5 degraded the cellular functions of chondrocyte. Rescue experiments showed that the overexpression of miR-525-5p reversed the increase in cell viability and the decrease in pro-inflammatory factors and apoptosis rate mediated by LINC00313. The knockdown of GDF5 reversed the promotion of miR-525-5p knockdown on cell viability and the inhibition of pro-inflammatory factors and apoptosis rate. CONCLUSIONS LINC00313 inhibited the development of OA through regulating miR-525-5p/GDF5 axis. LncRNA LINC00313 can be used as a potential target for the treatment of OA.
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Affiliation(s)
- Wen He
- Department of Orthopaedics, Fuzhou Second Hospital, No. 47, Shangteng Road, Cangshan District, Fuzhou, 350007, Fujian, China.
| | - Xuchao Lin
- grid.490567.9Department of Orthopaedics, Fuzhou Second Hospital, No. 47, Shangteng Road, Cangshan District, Fuzhou, 350007 Fujian China
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Xiao X, Cai W, Ding Z, Mao Z, Shi Y, Zhang Q. LincRNA00612 inhibits apoptosis and inflammation in LPS-induced BEAS-2B cells via enhancing interaction between p-STAT3 and A2M promoter. PeerJ 2023; 11:e14986. [PMID: 36883061 PMCID: PMC9985899 DOI: 10.7717/peerj.14986] [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: 11/22/2022] [Accepted: 02/10/2023] [Indexed: 03/06/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) have been reported as key regulators of chronic obstructive pulmonary disease (COPD). This study aimed to figure out the regulatory mechanism as well as the effects of lncRNA00612 (LINC00612) in lipopolysaccharide (LPS)-induced inflammation and apoptosis in BEAS-2B cells. LINC00612 and its co-expressed gene alpha-2-macroglobulin (A2M) were strikingly downregulated in the peripheral venous blood of COPD patients. Overexpressed LINC00612 enhances BEAS-2B cells against apoptosis and inflammatory reactions mediated by LPS, however, an A2M knockdown can attenuate the degree of the enhancement. Bioinformatics analysis revealed putative binding sites between LINC00612, signal transducer and activator of transcription 3 (STAT3) and the A2M promoter, while RNA antisense purification and Chromatin immunoprecipitation were performed to confirm the prediction. Knockdown of LINC00612 impaired the binding of p-STAT3 to the promoter of A2M, which meant that LINC00612 was critical for the binding of STAT3 with the A2M promoter. Therefore, it can be concluded that LINC00612 ameliorates LPS-induced cell apoptosis and inflammation via recruiting STAT3 to bind to A2M. This conclusion will serve as a theoretical foundation for the treatment of COPD.
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Affiliation(s)
- Xinru Xiao
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China.,Department of the Second Clinical College, Dalian Medical University, Dalian, Liaoning, China
| | - Wei Cai
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Ziqi Ding
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Zhengdao Mao
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Yujia Shi
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Qian Zhang
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
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miR-3960 from Mesenchymal Stem Cell-Derived Extracellular Vesicles Inactivates SDC1/Wnt/β-Catenin Axis to Relieve Chondrocyte Injury in Osteoarthritis by Targeting PHLDA2. Stem Cells Int 2022; 2022:9455152. [PMID: 36061148 PMCID: PMC9438433 DOI: 10.1155/2022/9455152] [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: 05/16/2021] [Revised: 12/24/2021] [Accepted: 01/26/2022] [Indexed: 01/14/2023] Open
Abstract
Osteoarthritis (OA) is a serious disease of the articular cartilage characterized by excessive inflammation. Lately, mesenchymal stem cell- (MSC-) derived extracellular vesicles (EVs) have been proposed as a novel strategy for the treatment of OA. We aimed to investigate the effects of EV-encapsulated miR-3960 derived from MSCs on chondrocyte injury in OA. The cartilage tissues from OA patients were collected to experimentally determine expression patterns of miR-3960, PHLDA2, SDC1, and β-catenin. Next, luciferase assay was implemented to testify the binding affinity among miR-3960 and PHLDA2. EVs were isolated from MSCs and cocultured with IL-1β-induced OA chondrocytes. Afterwards, cellular biological behaviors and levels of extracellular matrix- (ECM-) related protein anabolic markers (collagen II and aggrecan), catabolic markers (MMP13 and ADAMTS5), and inflammatory factors (IL-6 and TNF-α) in chondrocytes were assayed upon miR-3960 and/or PHLDA2 gain- or loss-of-function. Finally, the effects of miR-3960 contained in MSC-derived EVs in OA mouse models were also explored. MSCs-EVs could reduce IL-1β-induced inflammatory response and extracellular matrix (ECM) degradation in chondrocytes. miR-3960 expression was downregulated in cartilage tissues of OA patients but enriched in MSC-derived EVs. miR-3960 could target and inhibit PHLDA2, which was positively correlated with SDC1 and Wnt/β-catenin pathway activation. miR-3960 shuttled by MSC-derived EVs protected against apoptosis and ECM degradation in chondrocytes. In vivo experiment also confirmed that miR-3960 alleviated chondrocyte injury in OA. Collectively, MSC-derived EV-loaded miR-3960 downregulated PHLDA2 to inhibit chondrocyte injury via SDC1/Wnt/β-catenin.
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The Role of Mitochondrial Metabolism, AMPK-SIRT Mediated Pathway, LncRNA and MicroRNA in Osteoarthritis. Biomedicines 2022; 10:biomedicines10071477. [PMID: 35884782 PMCID: PMC9312479 DOI: 10.3390/biomedicines10071477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/16/2022] [Accepted: 06/17/2022] [Indexed: 11/20/2022] Open
Abstract
Osteoarthritis (OA) is the most common joint disease characterized by degeneration of articular cartilage and causes severe joint pain, physical disability, and impaired quality of life. Recently, it was found that mitochondria not only act as a powerhouse of cells that provide energy for cellular metabolism, but are also involved in crucial pathways responsible for maintaining chondrocyte physiology. Therefore, a growing amount of evidence emphasizes that impairment of mitochondrial function is associated with OA pathogenesis; however, the exact mechanism is not well known. Moreover, the AMP-activated protein kinase (AMPK)–Sirtuin (SIRT) signaling pathway, long non-coding RNA (lncRNA), and microRNA (miRNA) are important for regulating the physiological and pathological processes of chondrocytes, indicating that these may be targets for OA treatment. In this review, we first focus on the importance of mitochondria metabolic dysregulation related to OA. Then, we show recent evidence on the AMPK-SIRT mediated pathway associated with OA pathogenesis and potential treatment options. Finally, we discuss current research into the effects of lncRNA and miRNA on OA progression or inhibition.
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10
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Lai X, Song Y, Tian J. CircCDK14 ameliorates interleukin-1β-induced chondrocyte damage by the miR-1183/KLF5 pathway in osteoarthritis. Autoimmunity 2022; 55:408-417. [PMID: 35723551 DOI: 10.1080/08916934.2022.2081843] [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: 11/02/2022]
Abstract
BACKGROUND The pathogenesis of osteoarthritis (OA), an endemic and debilitating disease, remains unclear. The study aimed to reveal the role of circular RNA cyclin dependent kinase 14 (circCDK14) in OA development and the underlying mechanism. METHODS Human chondrocytes were stimulated by 10 ng/mL interleukin-1β (IL-1β) to mimic OA cell model. The RNA expression of circCDK14, microRNA-1183 (miR-1183) and kruppel like factor 5 (KLF5) was checked through quantitative real-time polymerase chain reaction. Western blot was employed to detect protein expression. Cell viability, proliferation and apoptosis were investigated by cell counting kit-8, 5-Ethynyl-29-deoxyuridine and flow cytometry analysis, respectively. Starbase online database was performed to identify the interaction between miR-1183 and circCDK14 or KLF5. Exosomes were isolated by differential centrifugation and identified by transmission electron microscopy, nanoparticle tracking analysis and western blot analysis. RESULTS CircCDK14 and KLF5 expression were significantly decreased, while miR-1183 was increased in OA cartilage tissues and IL-1β-treated chondrocytes in comparison with controls. CircCDK14 overexpression attenuated the inhibitory effect of IL-1β treatment on cell proliferation and the promoting effects on cell apoptosis and extracellular matrix degradation. Additionally, miR-1183 was targeted by circCDK14, and miR-1183 mimics reversed circCDK14-mediated actions in IL-1β-treated chondrocytes. The knockdown of KLF5, a target mRNA of miR-1183, also rescued the effects of miR-1183 inhibitors in IL-1β-induced chondrocytes. Moreover, circCDK14 could induce KLF5 expression by interacting with miR-1183. Further, exosomal circCDK14 had a high diagnostic value in OA. CONCLUSION CircCDK14 reintroduction assuaged IL-1β-caused chondrocyte damage by the miR-1183/KLF5 pathway, providing a diagnostic biomarker for OA.
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Affiliation(s)
- Xiaowei Lai
- Department of Rheumatology, Heping Hospital Affiliated to Changzhi Medical College, Changzhi City, China
| | - Yali Song
- Department of Rheumatology, Heping Hospital Affiliated to Changzhi Medical College, Changzhi City, China
| | - Jimei Tian
- Department of Rheumatology, Heping Hospital Affiliated to Changzhi Medical College, Changzhi City, China
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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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12
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Vandooren J, Itoh Y. Alpha-2-Macroglobulin in Inflammation, Immunity and Infections. Front Immunol 2022; 12:803244. [PMID: 34970276 PMCID: PMC8712716 DOI: 10.3389/fimmu.2021.803244] [Citation(s) in RCA: 84] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 11/29/2021] [Indexed: 11/18/2022] Open
Abstract
Alpha-2-macroglobulin is an extracellular macromolecule mainly known for its role as a broad-spectrum protease inhibitor. By presenting itself as an optimal substrate for endopeptidases of all catalytic types, alpha-2-macroglobulin lures active proteases into its molecular cage and subsequently ‘flags’ their complex for elimination. In addition to its role as a regulator of extracellular proteolysis, alpha-2-macroglobulin also has other functions such as switching proteolysis towards small substrates, facilitating cell migration and the binding of cytokines, growth factors and damaged extracellular proteins. These functions appear particularly important in the context of immune-cell function. In this review manuscript, we provide an overview of all functions of alpha-2-macroglobulin and place these in the context of inflammation, immunity and infections.
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Affiliation(s)
- Jennifer Vandooren
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Katholieke Universiteit (KU) Leuven, Leuven, Belgium
| | - Yoshifumi Itoh
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, United Kingdom
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13
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Deng J, Zong Z, Su Z, Chen H, Huang J, Niu Y, Zhong H, Wei B. Recent Advances in Pharmacological Intervention of Osteoarthritis: A Biological Aspect. Front Pharmacol 2021; 12:772678. [PMID: 34887766 PMCID: PMC8649959 DOI: 10.3389/fphar.2021.772678] [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] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 10/04/2021] [Indexed: 12/27/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease in the musculoskeletal system with a relatively high incidence and disability rate in the elderly. It is characterized by the degradation of articular cartilage, inflammation of the synovial membrane, and abnormal structure in the periarticular and subchondral bones. Although progress has been made in uncovering the molecular mechanism, the etiology of OA is still complicated and unclear. Nevertheless, there is no treatment method that can effectively prevent or reverse the deterioration of cartilage and bone structure. In recent years, in the field of pharmacology, research focus has shifted to disease prevention and early treatment rather than disease modification in OA. Biologic agents become more and more attractive as their direct or indirect intervention effects on the initiation or development of OA. In this review, we will discuss a wide spectrum of biologic agents ranging from DNA, noncoding RNA, exosome, platelet-rich plasma (PRP), to protein. We searched for key words such as OA, DNA, gene, RNA, exosome, PRP, protein, and so on. From the pharmacological aspect, stem cell therapy is a very special technique, which is not included in this review. The literatures ranging from January 2016 to August 2021 were included and summarized. In this review, we aim to help readers have a complete and precise understanding of the current pharmacological research progress in the intervention of OA from the biological aspect and provide an indication for the future translational studies.
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Affiliation(s)
- Jinxia Deng
- Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China
| | - Zhixian Zong
- Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China
| | - Zhanpeng Su
- Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China
| | - Haicong Chen
- Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China
| | - Jianping Huang
- College of Dentistry, Yonsei University, Seoul, South Korea.,Department of Stomatology, Guangdong Medical University, Zhanjiang, China
| | - Yanru Niu
- Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China
| | - Huan Zhong
- Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China
| | - Bo Wei
- Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China
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14
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Tao T, Zhang Y, Wei H, Heng K. Downregulation of IRAK3 by miR-33b-3p relieves chondrocyte inflammation and apoptosis in an in vitro osteoarthritis model. Biosci Biotechnol Biochem 2021; 85:545-552. [PMID: 33590831 DOI: 10.1093/bbb/zbaa105] [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: 11/13/2020] [Indexed: 12/19/2022]
Abstract
Interleukin-1 receptor-associated kinase-3 (IRAK3) has a distinctive role in regulating inflammation. However, the functional role of IRAK3 and regulatory mechanism underlying the pathogenesis of osteoarthritis (OA) remain unclear. Here, we first found that IRAK3 was upregulated, while miR-33b-3p was downregulated in the cartilage of OA patients and IL-1β-induced CHON-001 cells. IRAK3 was confirmed as the direct target of miR-33b-3p and negatively regulated by miR-33b-3p. There was an inverse correlation between IRAK3 mRNA expression and miR-33b-3p expression in OA cartilage tissues. The in vitro functional experiments showed that miR-33b-3p overexpression caused a remarkable increase in viability, a significant decrease in inflammatory mediators (IL-1β and TNF-α), and apoptosis in IL-1β-induced CHON-001 cells. Importantly, IRAK3 knockdown imitated, while overexpression reversed the effects of miR-33b-3p on IL-1β-induced inflammation and apoptosis in CHON-001 cells. Collectively, miR-33b-3p significantly alleviated IL-1β-induced inflammation and apoptosis by downregulating IRAK3, which may serve as a promising target for OA.
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Affiliation(s)
- Tao Tao
- Department of Orthopedics, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Yunkun Zhang
- Department of Orthopedics, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Hui Wei
- Department of Orthopedics, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Ke Heng
- Department of Orthopedics, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
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15
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Fu S, Fan Q, Xu J, Yu S, Sun M, Ji Y, Liu D. Circ_0008956 contributes to IL-1β-induced osteoarthritis progression via miR-149-5p/NAMPT axis. Int Immunopharmacol 2021; 98:107857. [PMID: 34153672 DOI: 10.1016/j.intimp.2021.107857] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 06/03/2021] [Accepted: 06/03/2021] [Indexed: 01/09/2023]
Abstract
Circular RNAs (circRNAs) have been identified to involve in the pathophysiology of osteoarthritis (OA). Herein, this study aimed to investigate the role and mechanisms underlying circ_0008956 in the process of OA. The expression of circ_0008956 and microRNA (miR)-149-5p and Nicotinamide phosphoribosyl transferase 1 (NAMPT) was detected using quantitative real-time polymerase chain reaction and Western blot assays. Cell viability, apoptosis, cell cycle and extracellular matrix (ECM) degradation were analyzed using cell counting kit-8, flow cytometry, and Western blot assays, respectively. The binding interaction between miR-149-5p and circ_0008956 or NAMPT was confirmed using dual-luciferase reporter assay. Circ_0008956 was highly expressed in OA cartilage tissues and interleukin (IL)-1β mediated chondrocytes. Knockdown of circ_0008956 promoted cell viability, cell cycle, suppressed cell apoptosis, and increased type II collagen and aggracan expression in IL-1β-treated chondrocytes. MiR-149-5p was verified to be a target of circ_0008956, inhibition of miR-149-5p reversed the protective effects of circ_0008956 knockdown on IL-1β-stimulated chondrocytes. NAMPT was a target of miR-149-5p, miR-149-5p attenuated IL-1β-induced growth arrest and ECM degradation in chondrocytes, which was abolished by NAMPT overexpression. Importantly, circ_0008956 served as a sponge for miR-149-5p to up-regulate NAMPT expression in chondrocytes. Circ_0008956 contributed to IL-1β-induced growth arrest and ECM degradation in chondrocytes via miR-149-5p/NAMPT axis, suggesting a new insight into the pathogenesis of OA and a promising therapeutic target for OA treatment.
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Affiliation(s)
- Shengqiang Fu
- Department of Hand Surgery, Yantaishan Hospital, Yantai City, Shandong Province, China
| | - Qiaoyun Fan
- Department of Intervention Section, Yantaishan Hospital, Yantai City, Shandong Province, China
| | - Juntao Xu
- Department of Hand Surgery, Yantaishan Hospital, Yantai City, Shandong Province, China
| | - Shengjun Yu
- Department of Hand Surgery, Yantaishan Hospital, Yantai City, Shandong Province, China
| | - Ming Sun
- Department of Hand Surgery, Yantaishan Hospital, Yantai City, Shandong Province, China
| | - Yuan Ji
- Department of Hand Surgery, Yantaishan Hospital, Yantai City, Shandong Province, China
| | - Dun Liu
- Center For Traumatology, Ninth People's Hospital of Chongqing, Chongqing City, China.
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16
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Zhao P, Li X, Li Y, Zhu J, Sun Y, Hong J. Mechanism of miR-365 in regulating BDNF-TrkB signal axis of HFD/STZ induced diabetic nephropathy fibrosis and renal function. Int Urol Nephrol 2021; 53:2177-2187. [PMID: 33881703 DOI: 10.1007/s11255-021-02853-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 04/11/2021] [Indexed: 12/13/2022]
Abstract
PURPOSE Diabetic nephropathy (DN) is one of the most serious complications of diabetes that leads to decline of renal function. Although numerous studies have revealed that microRNAs (miRNAs) play essential roles in the progression of DN, whether miR-365 is involved remains elusive. METHODS The successful construction of DN model was confirmed by ELSIA, hematoxylin-eosin (HE) and Masson staining assay. The expression of miR-365 was detected through RT-qPCR. The levels of BDNF, p-TrkB, α-smooth muscle actin (SMA), collagen IV (Col.IV), transforming growth factor-β1 (TGF-β1), tumor necrosis factor α (TNF-α), and interleukin-6 (IL-6) were evaluated by western blot, IF or ELISA assays. Luciferase reporter assay was used to detect the interaction between miR-365 and BDNF. RESULTS The DN mice model was induced by streptozotocin (STZ). Then miR-365 expression was found to upregulate in tissues of DN rat. Furthermore, elevated expression of miR-365 was found in high glucose (HG)-treated HK-2 cells. Silencing of miR-365 suppressed the accumulation of ECM components and secretion of inflammatory cytokines in HK-2 cells. In addition, it was demonstrated that miR-365 could target BDNF. The protein levels of BDNF and p-TrkB were negatively regulated by miR-365 in HK-2 cells. Moreover, inhibition of miR-365 suppressed the levels of SMA, Col.IV, TGF-β1, TNF-α, and IL-6, indicating the renal fibrosis was inhibited by miR-365 knockdown. CONCLUSION MiR-365 could regulate BDNF-TrkB signal axis in STZ induced DN fibrosis and renal function. The results of the current study might provide a promising biomarker for the treatment of DN in the future.
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Affiliation(s)
- Peng Zhao
- Department of Nephrology, Haining People's Hospital, No. 2, Qianjiang West Road, Haizhou Street, Haining, 314400, Zhejiang, China
| | - Xiaqiu Li
- Department of Nephrology, Haining People's Hospital, No. 2, Qianjiang West Road, Haizhou Street, Haining, 314400, Zhejiang, China
| | - Yang Li
- Department of General Medicine, Haining People's Hospital, Haining, 314400, Zhejiang, China
| | - Jiaying Zhu
- Department of Endocrinology, Haining People's Hospital, Haining, 314400, Zhejiang, China
| | - Yu Sun
- Department of Nephrology, Haining People's Hospital, No. 2, Qianjiang West Road, Haizhou Street, Haining, 314400, Zhejiang, China.
| | - Jianli Hong
- Department of Endocrinology, Hengdian Wenrong Hospital, 99 Yingbin Road, Dongyang, 322118, Zhejiang, China.
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17
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Wei Z, Liu J, Xie H, Wang B, Wu J, Zhu Z. MiR-122-5p Mitigates Inflammation, Reactive Oxygen Species and SH-SY5Y Apoptosis by Targeting CPEB1 After Spinal Cord Injury Via the PI3K/AKT Signaling Pathway. Neurochem Res 2021; 46:992-1005. [PMID: 33528808 DOI: 10.1007/s11064-021-03232-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 12/07/2020] [Accepted: 01/05/2021] [Indexed: 01/01/2023]
Abstract
Spinal cord injury (SCI) is a threatening disease that lead to severe motor and sensory deficits. Previous research has revealed that miRNAs are involved in the pathogenesis of a variety of diseases. However, whether miR-122-5p was involved in SCI was rarely investigated. In our study, we intended to probe role of miR-122-5p in the regulation of inflammatory response, reactive oxygen species (ROS) and SH-SY5Y apoptosis. We found miR-122-5p was downregulated in SCI mouse model and LPS-induced SH-SY5Y cells. Moreover, miR-122-5p overexpression alleviated inflammatory response, ROS and SH-SY5Y apoptosis in SCI mice. In addition, miR-122-5p elevation also mitigated SCI in LPS-induced SH-SY5Y cells. Additionally, cytoplasmic polyadenylation element binding protein 1 (CPEB1) was verified to be a target of miR-122-5p. CPEB1 expression was upregulated in SCI mouse model and LPS-induced SH-SY5Y cells. CPEB1 expression was negatively related to miR-122-5p expression. Moreover, CPEB1 activated the PI3K/AKT signaling pathway in SH-SY5Y cells. Finally, CPEB1 elevation recovered the suppressive effect on inflammatory response, ROS and SH-SY5Y apoptosis in LPS-treated SH-SY5Y cells mediated by miR-122-5p upregulation and through the PI3K/AKT signaling pathway.
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Affiliation(s)
- Zijian Wei
- Department of Orthopaedics, Sir Run Run Hospital, Nanjing Medical University, Nanjing, 211100, Jiangsu, China
- Department of Spine Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008, Jiangsu, People's Republic of China
| | - Jun Liu
- Department of Orthopaedics, Sir Run Run Hospital, Nanjing Medical University, Nanjing, 211100, Jiangsu, China
- Department of Orthopaedics, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, Jiangsu, China
| | - Hao Xie
- Department of Orthopaedics, Sir Run Run Hospital, Nanjing Medical University, Nanjing, 211100, Jiangsu, China
| | - Binbin Wang
- Department of Orthopaedics, Sir Run Run Hospital, Nanjing Medical University, Nanjing, 211100, Jiangsu, China
| | - Ji Wu
- Department of Orthopaedics, Sir Run Run Hospital, Nanjing Medical University, Nanjing, 211100, Jiangsu, China
| | - Zezhang Zhu
- Department of Spine Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008, Jiangsu, People's Republic of China.
- Department of Spine Surgery, Nanjing Drum Tower Hospital, Medical School of Nanjing University, No. 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China.
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18
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Candidates for Intra-Articular Administration Therapeutics and Therapies of Osteoarthritis. Int J Mol Sci 2021; 22:ijms22073594. [PMID: 33808364 PMCID: PMC8036705 DOI: 10.3390/ijms22073594] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/26/2021] [Accepted: 03/26/2021] [Indexed: 01/15/2023] Open
Abstract
Osteoarthritis (OA) of the knee is a disease that significantly decreases the quality of life due to joint deformation and pain caused by degeneration of articular cartilage. Since the degeneration of cartilage is irreversible, intervention from an early stage and control throughout life is important for OA treatment. For the treatment of early OA, the development of a disease-modifying osteoarthritis drug (DMOAD) for intra-articular (IA) injection, which is attracting attention as a point-of-care therapy, is desired. In recent years, the molecular mechanisms involved in OA progression have been clarified while new types of drug development methods based on gene sequences have been established. In addition to conventional chemical compounds and protein therapeutics, the development of DMOAD from the new modalities such as gene therapy and oligonucleotide therapeutics is accelerating. In this review, we have summarized the current status and challenges of DMOAD for IA injection, especially for protein therapeutics, gene therapy, and oligonucleotide therapeutics.
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19
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Huang H, Luo M, Liang H, Pan J, Yang W, Zeng L, Liang G, Hou S, Zhao J, Liu J. Meta-analysis Comparing Celecoxib with Diclofenac Sodium in Patients with Knee Osteoarthritis. PAIN MEDICINE 2021; 22:352-362. [PMID: 32797224 PMCID: PMC7901859 DOI: 10.1093/pm/pnaa230] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Objective To compare the efficacy and safety of celecoxib and diclofenac sodium in patients with knee osteoarthritis (KOA). Methods Clinical controlled trials (CCTs) and randomized controlled trials (RCTs) from online databases comparing the efficacy of celecoxib and diclofenac sodium in the treatment of KOA were retrieved. The main outcomes included the treatment effect, C-reactive protein (CRP) level, erythrocyte sedimentation rate (ESR), visual analog scale (VAS) score, and complication rate. The Cochrane risk of bias (ROB) tool in Review Manager 5.3.5 was used to assess methodological quality. Results Twelve studies (N = 2,350) were included in this meta-analysis. The meta-analysis indicated that celecoxib reduced pain more effectively than diclofenac sodium in patients with KOA, as evaluated by the VAS score. In addition, celecoxib has certain advantages in terms of better treatment effects and greater reductions in the ESR, CRP level, and complication rate. Conclusions Celecoxib is superior to diclofenac sodium in the treatment of KOA. However, well-designed and high-quality RCTs are still needed.
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Affiliation(s)
- Hetao Huang
- Second School of Clinical Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Minghui Luo
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou, China
| | - Haodong Liang
- Guangzhou Hospital of Traditional Chinese Medicine, Guangzhou, China
| | - Jianke Pan
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou, China
| | - Weiyi Yang
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou, China
| | - Lingfeng Zeng
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou, China
| | - Guihong Liang
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou, China
| | - Senrong Hou
- Second School of Clinical Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jinlong Zhao
- Second School of Clinical Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jun Liu
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou, China
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20
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Liu XC, Xu L, Cai YL, Zheng ZY, Dai EN, Sun S. MiR-1207-5p/CX3CR1 axis regulates the progression of osteoarthritis via the modulation of the activity of NF-κB pathway. Int J Rheum Dis 2020; 23:1057-1065. [PMID: 32597559 DOI: 10.1111/1756-185x.13898] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 03/29/2020] [Accepted: 06/01/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Osteoarthritis (OA) is a prevalent chronic diseases characterized by formation of osteophytes and degradation of articular cartilage. Previous evidence has identified the regulatory effects of microRNAs (miRNAs) in OA. The goal of this study is to clearly explore the biological function of miR-1207-5p in OA. METHODS MiR-1207-5p and C-X3-C motif chemokine receptor 1 (CX3CR1) expression in OA cartilages were revealed by accessing to Gene Expression Omnibus database. In vitro OA model was established by lipopolysaccharide (LPS) stimulation. Western blot and quantitative real-time polymerase chain reaction were conducted to detect the expression level of genes. Cell counting kit-8 (CCK-8) and flow cytometric experiments were performed to investigate the proliferation and apoptosis capacities of CHON-001 cells. Bioinformatics analysis was applied to predict the binding site of miR-1207-5p and CX3CR1, the connections of which were ascertained using luciferase reporter assay. RESULTS MiR-1207-5p expression was decreased while CX3CR1 was increased in OA cartilages. Up-regulation of miR-1207-5p alleviated the LPS-induced damage in the view of cell proliferation, apoptosis and extracellular matrix (ECM) degradation. A target of miR-1207-5p CX3CR1, its down-regulation intensified the impacts of miR-1207-5p mimic, promoted proliferation and mitigated apoptosis. LPS exposure increased the protein expression of the phosphorylated IκBα and P65, and this phenomena was reversed due to miR-1207-5p up-regulation and CX3CR1 knockdown. The treatment of Betulinic acid (BA; an activator of nuclear factor-κB pathway) reversed the miR-1207-5p mimic-induced inhibitory effect on apoptosis in LPS-treated CHON-001. CONCLUSION Our results highlight that miR-1207-5p can prevent CHON-001 from LPS-stimulated injury, providing a novel biomarker for OA progression and further advancing treatment of OA.
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Affiliation(s)
- Xiao-Chen Liu
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.,Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Liang Xu
- Department of Orthopedic Surgery, Affiliated Hospital of Shandong Academy of Medical Sciences, Jinan, Shandong, China.,Department of Orthopedics, Shandong Chest Hospital, Jinan, Shandong, China
| | - Yu-Li Cai
- Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Zhi-Yong Zheng
- Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - E-Nuo Dai
- Department of Orthopedic Surgery, Affiliated Hospital of Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Shui Sun
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
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21
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Xie F, Liu YL, Chen XY, Li Q, Zhong J, Dai BY, Shao XF, Wu GB. Role of MicroRNA, LncRNA, and Exosomes in the Progression of Osteoarthritis: A Review of Recent Literature. Orthop Surg 2020; 12:708-716. [PMID: 32436304 PMCID: PMC7307224 DOI: 10.1111/os.12690] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/27/2020] [Accepted: 03/27/2020] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a common clinical degenerative disease characterized by the destruction of articular cartilage, which has an increasing impact on people's lives and social economy. The pathogenesis of OA is complex and unclear, and there is no effective way to block its progress. The study of the pathogenesis of OA is the prerequisite for the early diagnosis and effective treatment of OA. To define the pathogenesis of OA, this review considers the pathological mechanism of OA that involves microRNA, lncRNA, and exosomes. More and more evidence shows that microRNA, lncRNA, and exosomes are closely related to OA. MicroRNA inhibits the target gene by binding to the 3'- untranslated region of the targets. LncRNA usually competes with microRNA to regulate the expression level of downstream genes, while exosomes, as a carrier of intercellular information transfer, transmit the biological information of mother cells to target cells, and the effect of exosomes secreted by different cells on OA are different. In this review, we emphasized that different microRNA, lncRNA, and exosomes have different regulatory effects on chondrocyte proliferation and apoptosis, extracellular matrix degradation and inflammation. Besides, we classified and analyzed these molecules according to their effects on the progress of OA. Based on the analysis of the reported literature, this review reveals some pathogenesis of OA, and emphasizes that microRNA, lncRNA, and exosomes have great potential to assist early diagnosis and effective treatment of OA.
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Affiliation(s)
- Fang Xie
- Affiliated Changde Hospital, Hunan University of Traditional Chinese Medicine, Changde, China
| | - Yong-Li Liu
- Affiliated Changde Hospital, Hunan University of Traditional Chinese Medicine, Changde, China
| | - Xiu-Yuan Chen
- Affiliated Changde Hospital, Hunan University of Traditional Chinese Medicine, Changde, China
| | - Qian Li
- Affiliated Changde Hospital, Hunan University of Traditional Chinese Medicine, Changde, China
| | - Jia Zhong
- Affiliated Changde Hospital, Hunan University of Traditional Chinese Medicine, Changde, China
| | - Bin-Yu Dai
- Affiliated Changde Hospital, Hunan University of Traditional Chinese Medicine, Changde, China
| | - Xian-Fang Shao
- Affiliated Changde Hospital, Hunan University of Traditional Chinese Medicine, Changde, China
| | - Guan-Bao Wu
- Department of Orthopaedics, Affiliated Hospital of Hunan Academy of Traditional Chinese Medicine, Changsha, China
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22
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Huang H, Pan J, Yang W, Chen H, Liang G, Zeng L, Liu J, Pan B. Celecoxib vs diclofenac sodium in patients with knee osteoarthritis: A protocol for systematic review and meta analysis. Medicine (Baltimore) 2020; 99:e19680. [PMID: 32282721 PMCID: PMC7220482 DOI: 10.1097/md.0000000000019680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 02/27/2020] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Knee osteoarthritis (KOA) is one of the most common chronic muscular diseases in old people. The purpose of this meta-analysis was to compare celecoxib and diclofenac sodium in patients with knee osteoarthritis (KOA). METHODS Randomized controlled trials (RCTs) and clinical controlled trials (CCTs) comparing the use of celecoxib and diclofenac sodium in KOA patients were retrieved from each database from the date of database inception to September 2019. The outcome measurements were the treatment effect, visual analog scale (VAS) score, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) level, and complication rate. The pooled data were evaluated with Review Manager 5.3.5. RESULTS The literature will provide a high-quality analysis of the current evidence supporting celecoxib for KOA based on various comprehensive assessments including the treatment effect, visual analog scale (VAS) score, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) level, and complication rate. CONCLUSION This proposed systematic review will provide up-to-date evidence to assess the effect of celecoxib in the treatment for patients with KOA. RESEARCH REGISTRY REGISTRATION NUMBER:: reviewregistry827.
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Affiliation(s)
- Hetao Huang
- Second School of Clinical Medicine, Guangzhou University of Chinese Medicine
| | - Jianke Pan
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine
| | - Weiyi Yang
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine
| | - Hongyun Chen
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine
| | - Guihong Liang
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine
| | - Lingfeng Zeng
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine
| | - Jun Liu
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine
| | - Biqi Pan
- Department of Traditional Chinese Medicine, GuangDong Women and Children Hospital, China
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23
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Sun P, Wu Y, Li X, Jia Y. miR-142-5p protects against osteoarthritis through competing with lncRNA XIST. J Gene Med 2020; 22:e3158. [PMID: 31903636 DOI: 10.1002/jgm.3158] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 01/03/2020] [Accepted: 01/03/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The relevance between abnormal microRNA expression and osteoarthritis (OA) has been elaborated in recent studies. Hence, the present study aimed to assess the impact of miR-142-5p on chondrocyte growth and apoptosis. METHODS To mimic OA-like chondrocyte damage, interleukin (IL)-1β was used for chondrocyte treatment. The expression of miR-142-5p, SGTB, long non-coding RNA (lncRNA) X inactive specific transcript (XIST) and involved molecules such as Col2A1, Bcl-2, MMP13 and Bax was determined via a quantitative reverse transcriptase-polymerase chain reaction and western blot analyses. Functional roles of miR-142-5p, SGTB and XIST were monitored in 5-ethynyl-2'-deoxyuridine, CCK-8 and TUNEL experiments. Rescue analyses were conducted to consolidate the effect of the XIST/miR-142-5p/SGTB axis on chondrocytes in OA. RESULTS miR-142-5p was down-regulated in IL-1β-treated chondrocytes, whereas SGTB and XIST levels were increased. Overexpression of miR-142-5p stimulated proliferation and retarded apoptosis in IL-1β-treated chondrocytes. Meanwhile, miR-142-5p elevation was correlated with an elevation of Col2A1 and Bcl-2, as well as a decline of MMP13 and Bax. A mechanistic study showed that miR-142-5p negatively regulated SGTB expression. Moreover, we found that lncRNA XIST could relieve the inhibition of miR-142-5p on SGTB expression. Augmentation of SGTB or suppression of miR-142-5p reversed the influence of XIST depletion on chondrocyte growth and apoptosis. CONCLUSIONS The present study has explored the fundamental role of miR-142-5p in IL-1β-treated chondrocytes, as well as the novel molecular mechanism constituted by miR-142-5p/SGTB/XIST in OA. Potentially, the results obtained may add new insight into OA pathogenesis.
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Affiliation(s)
- Pengfei Sun
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China
| | - Yunpeng Wu
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China
| | - Xuezhou Li
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China
| | - Yuhua Jia
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China
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24
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Yan X, Chen YR, Song YF, Yang M, Ye J, Zhou G, Yu JK. Scaffold-Based Gene Therapeutics for Osteochondral Tissue Engineering. Front Pharmacol 2020; 10:1534. [PMID: 31992984 PMCID: PMC6970981 DOI: 10.3389/fphar.2019.01534] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 11/27/2019] [Indexed: 12/20/2022] Open
Abstract
Significant progress in osteochondral tissue engineering has been made for biomaterials designed to deliver growth factors that promote tissue regeneration. However, due to diffusion characteristics of hydrogels, the accurate delivery of signaling molecules remains a challenge. In comparison to the direct delivery of growth factors, gene therapy can overcome these challenges by allowing the simultaneous delivery of growth factors and transcription factors, thereby enhancing the multifactorial processes of tissue formation. Scaffold-based gene therapy provides a promising approach for tissue engineering through transfecting cells to enhance the sustained expression of the protein of interest or through silencing target genes associated with bone and joint disease. Reports of the efficacy of gene therapy to regenerate bone/cartilage tissue regeneration are widespread, but reviews on osteochondral tissue engineering using scaffold-based gene therapy are sparse. Herein, we review the recent advances in gene therapy with a focus on tissue engineering scaffolds for osteochondral regeneration.
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Affiliation(s)
- Xin Yan
- Knee Surgery Department of the Institute of Sports Medicine, Peking University Third Hospital, Beijing, China
| | - You-Rong Chen
- Knee Surgery Department of the Institute of Sports Medicine, Peking University Third Hospital, Beijing, China
| | - Yi-Fan Song
- Knee Surgery Department of the Institute of Sports Medicine, Peking University Third Hospital, Beijing, China
| | - Meng Yang
- Knee Surgery Department of the Institute of Sports Medicine, Peking University Third Hospital, Beijing, China
| | - Jing Ye
- Knee Surgery Department of the Institute of Sports Medicine, Peking University Third Hospital, Beijing, China
| | - Gang Zhou
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Jia-Kuo Yu
- Knee Surgery Department of the Institute of Sports Medicine, Peking University Third Hospital, Beijing, China
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25
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Wang A, Hu N, Zhang Y, Chen Y, Su C, Lv Y, Shen Y. MEG3 promotes proliferation and inhibits apoptosis in osteoarthritis chondrocytes by miR-361-5p/FOXO1 axis. BMC Med Genomics 2019; 12:201. [PMID: 31888661 PMCID: PMC6937924 DOI: 10.1186/s12920-019-0649-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 12/19/2019] [Indexed: 12/15/2022] Open
Abstract
Background This study aimed to investigate the role of long non-coding RNA (lncRNA) maternally expressed 3 (MEG3) and related molecular mechanisms, in osteoarthritis (OA). Methods Cartilage tissues of OA patients and healthy volunteers were isolated and cultured. After transfection with the appropriate constructs, chondrocytes were classified into Blank, pcDNA3.1-NC, pcDNA3.1-MEG3, si-NC, si-MEG3, pcDNA3.1-NC + mimics NC, pcDNA3.1-MEG3 + mimics NC, pcDNA3.1-NC + miR-361-5p mimics and pcDNA3.1-MEG3 + miR-361-5p mimics groups. qRT-PCR was used to detect the expression of MEG3, miR-361-5p and FOXO1. Western blot, luciferase reporter assay, RIP, CCK-8, and flow cytometry analysis were performed to reveal the morphology, proliferation, and apoptotic status of cartilage cells. Histological analysis and immunostaining were conducted in the OA rat model. Results Expression of MEG3 and FOXO1 was significantly decreased in OA compared with the normal group, while the expression of miR-361-5p was increased. MEG3 might serve as a ceRNA of miR-361-5p in OA chondrocytes. Moreover, using western blot analyses and the CCK-8 assay, MEG3 was shown to target miR-361-5p/FOXO1, elevate cell proliferation, and impair cell apoptosis. Functional analysis in vivo showed that MEG3 suppressed degradation of the cartilage matrix. Conclusion MEG3 can contribute to cell proliferation and inhibit cell apoptosis and degradation of extracellular matrix (ECM) via the miR-361-5p/FOXO1 axis in OA chondrocytes.
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Affiliation(s)
- Anying Wang
- Doctor Student, Hebei Medical University, No. 361, Zhongshan East Road, Hebei Province, Shijiazhuang, 050017, China.,Department of Orthopedic, The Second Affiliated Hospital of Shandong First Medical University, No. 366, Taishan Street, Shandong Province, Taishan, 271000, China
| | - Naixia Hu
- ICU, The Second Affiliated Hospital of Shandong First Medical University, No. 366, Taishan Street, Shandong Province, Taishan, 271000, China
| | - Yefeng Zhang
- Department of Orthopedic, The Second Affiliated Hospital of Shandong First Medical University, No. 366, Taishan Street, Shandong Province, Taishan, 271000, China
| | - Yuanzhen Chen
- Department of Orthopedic, The Central Hospital of Taian City, No. 29, Longtan Road, Shandong Province, Taian, 271000, China
| | - Changhui Su
- Department of Orthopedic, The Second Affiliated Hospital of Shandong First Medical University, No. 366, Taishan Street, Shandong Province, Taishan, 271000, China
| | - Yao Lv
- Department of Orthopedic, The Second Affiliated Hospital of Shandong First Medical University, No. 366, Taishan Street, Shandong Province, Taishan, 271000, China
| | - Yong Shen
- Department of Orthopedic, The Third Hospital of Hebei Medical University, No. 139, Ziqiang Road, Hebei Province, Shijiazhuang, 050051, China.
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Peng S, Wang R, Zhang X, Ma Y, Zhong L, Li K, Nishiyama A, Arai S, Yano S, Wang W. EGFR-TKI resistance promotes immune escape in lung cancer via increased PD-L1 expression. Mol Cancer 2019; 18:165. [PMID: 31747941 PMCID: PMC6864970 DOI: 10.1186/s12943-019-1073-4] [Citation(s) in RCA: 146] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Accepted: 09/12/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND The ATLANTIC trial reported that higher PD-L1 expression in tumors was involved in a higher objective response in patients with EGFR+/ALK+ non-small cell lung cancer (NSCLC), indicating the possibility of anti-PD-1/PD-L1 therapy as a third-line (or later) treatment for advanced NSCLC. Therefore, the determination of status and regulatory mechanisms of PD-L1 in EGFR mutant NSCLC before and after acquired EGFR-TKIs resistance are meaningful. METHODS The correlation among PD-L1, c-MET, and HGF was analyzed based on TCGA datasheets and paired NSCLC specimens before and after acquired EGFR-TKI resistance. EGFR-TKI resistant NSCLC cells with three well-known mechanisms, c-MET amplification, hepatocyte growth factor (HGF), and EGFR-T790M, were investigated to determinate PD-L1 expression status and immune escape ability. PD-L1-deleted EGFR-TKIs sensitive and resistant cells were used to evaluate the immune escape ability of tumors in mice xenograft models. RESULTS Positive correlations were found among PD-L1, c-MET, and HGF, based on TCGA datasheets and paired NSCLC specimens. Moreover, the above three resistant mechanisms increased PD-L1 expression and attenuated activation and cytotoxicity of lymphocytes in vitro and in vivo, and downregulation of PD-L1 partially restored the cytotoxicity of lymphocytes. Both MAPK and PI3K pathways were involved in the three types of resistance mechanism-induced PD-L1 overexpression, whereas the NF-kappa B pathway was only involved in T790M-induced PD-L1 expression. CONCLUSIONS HGF, MET-amplification, and EGFR-T790M upregulate PD-L1 expression in NSCLC and promote the immune escape of tumor cells through different mechanisms.
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Affiliation(s)
- Shunli Peng
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Rong Wang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Xiaojuan Zhang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Yueyun Ma
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Longhui Zhong
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Ke Li
- Center for Clinical Medicine Research, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Akihiro Nishiyama
- Divisions of Medical Oncology, Cancer Research Institute, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Sachiko Arai
- Divisions of Medical Oncology, Cancer Research Institute, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Seiji Yano
- Divisions of Medical Oncology, Cancer Research Institute, Kanazawa University, Kanazawa, Ishikawa, Japan.
| | - Wei Wang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
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