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Shakeri M, Aminian A, Mokhtari K, Bahaeddini M, Tabrizian P, Farahani N, Nabavi N, Hashemi M. Unraveling the molecular landscape of osteoarthritis: A comprehensive review focused on the role of non-coding RNAs. Pathol Res Pract 2024; 260:155446. [PMID: 39004001 DOI: 10.1016/j.prp.2024.155446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/16/2024]
Abstract
Osteoarthritis (OA) poses a significant global health challenge, with its prevalence anticipated to increase in the coming years. This review delves into the emerging molecular biomarkers in OA pathology, focusing on the roles of various molecules such as metabolites, noncoding RNAs (ncRNAs), including microRNAs (miRNAs) and long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs). Advances in omics technologies have transformed biomarker identification, enabling comprehensive analyses of the complex pathways involved in OA pathogenesis. Notably, ncRNAs, especially miRNAs and lncRNAs, exhibit dysregulated expression patterns in OA, presenting promising opportunities for diagnosis and therapy. Additionally, the intricate interplay between epigenetic modifications and OA progression highlights the regulatory role of epigenetics in gene expression dynamics. Genome-wide association studies have pinpointed key genes undergoing epigenetic changes, providing insights into the inflammatory processes and chondrocyte hypertrophy typical of OA. Understanding the molecular landscape of OA, including biomarkers and epigenetic mechanisms, holds significant potential for developing innovative diagnostic tools and therapeutic strategies for OA management.
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Affiliation(s)
- Mohammadreza Shakeri
- MD, Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Department of Orthopedic, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Amir Aminian
- MD, Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Department of Orthopedic, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Khatere Mokhtari
- Department of Cellular and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Mohammadreza Bahaeddini
- MD, Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Department of Orthopedic, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Pouria Tabrizian
- MD, Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Department of Orthopedic, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Najma Farahani
- Department of Genetics and Molecular Biology, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Noushin Nabavi
- Independent Researcher, Victoria, British Columbia V8V 1P7, Canada
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
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Szala D, Kopańska M, Trojniak J, Jabłoński J, Hanf-Osetek D, Snela S, Zawlik I. The Role of MicroRNAs in the Pathophysiology of Osteoarthritis. Int J Mol Sci 2024; 25:6352. [PMID: 38928059 PMCID: PMC11204066 DOI: 10.3390/ijms25126352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 06/28/2024] Open
Abstract
Worldwide, osteoarthritis (OA) is the most common cause of joint pain in older people. Many factors contribute to osteoarthritis' development and progression, including secondary osteoarthritis' underlying causes. It is important to note that osteoarthritis affects all four tissues: cartilage, bone, joint capsule, and articular apparatus. An increasingly prominent area of research in osteoarthritis regulation is microRNAs (miRNAs), a small, single-stranded RNA molecule that controls gene expression in eukaryotes. We aimed to assess and summarize current knowledge about the mechanisms of the action of miRNAs and their clinical significance. Osteoarthritis (OA) is affected by the interaction between miRNAs and inflammatory processes, as well as cartilage metabolism. MiRNAs also influence cartilage cell apoptosis, contributing to the degradation of the cartilage in OA. Studies have shown that miRNAs may have both an inhibitory and promoting effect on osteoporosis progression through their influence on molecular mechanisms. By identifying these regulators, targeted treatments for osteoarthritis may be developed. In addition, microRNA may also serve as a biomarker for osteoarthritis. By using these biomarkers, the disease could be detected faster, and early intervention can be instituted to prevent mobility loss and slow deterioration.
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Affiliation(s)
| | - Marta Kopańska
- Department of Pathophysiology, Institute of Medical Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland
| | - Julia Trojniak
- Student Research Club “Reh-Tech”, Medical College of Rzeszow University, 35-959 Rzeszow, Poland;
| | - Jarosław Jabłoński
- Faculty of Orthopaedic and Reumatology, Institute of Medical Sciences, Collegium Medicum, University of Rzeszow, 35-959 Rzeszow, Poland; (J.J.); (D.H.-O.); (S.S.)
- Orthopaedics and Traumatology Clinic, Clinical Hospital No. 2, 35-301 Rzeszow, Poland
| | - Dorota Hanf-Osetek
- Faculty of Orthopaedic and Reumatology, Institute of Medical Sciences, Collegium Medicum, University of Rzeszow, 35-959 Rzeszow, Poland; (J.J.); (D.H.-O.); (S.S.)
- Orthopaedics and Traumatology Clinic, Clinical Hospital No. 2, 35-301 Rzeszow, Poland
| | - Sławomir Snela
- Faculty of Orthopaedic and Reumatology, Institute of Medical Sciences, Collegium Medicum, University of Rzeszow, 35-959 Rzeszow, Poland; (J.J.); (D.H.-O.); (S.S.)
- Orthopaedics and Traumatology Clinic, Clinical Hospital No. 2, 35-301 Rzeszow, Poland
| | - Izabela Zawlik
- Department of General Genetics, Institute of Medical Sciences, Medical College of Rzeszow University, Kopisto 2a, 35-959 Rzeszow, Poland;
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Liu H, Yan L, Li X, Li D, Wang G, Shen NN, Li JJ, Wang B. MicroRNA expression in osteoarthritis: a meta-analysis. Clin Exp Med 2023; 23:3737-3749. [PMID: 37027064 DOI: 10.1007/s10238-023-01063-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 03/29/2023] [Indexed: 04/08/2023]
Abstract
Osteoarthritis (OA) is one of the most prevalent musculoskeletal diseases globally, leading to chronic disability and poor prognosis. One of the approaches for optimizing OA treatment is to find early effective diagnostic biomarkers. The contribution of microRNAs (miRNAs) in OA progression is now being increasingly recognized. This review provides a comprehensive summary on studies reporting the expression profiling of miRNAs in OA and associated signaling pathways. We performed a systematic search of the Embase, Web of Science, PubMed, and Cochrane library databases. This systematic review is reported according to the PRISMA checklist. Studies which identified miRNAs with aberrant expression compared to controls during OA progression were included, and a meta-analysis was performed. Results from the random effects model were provided as log10 odds ratios (logORs) and 95% confidence intervals. Sensitivity analysis was conducted to confirm the accuracy of the results. Subgroup analysis was conducted based on tissue source. The target genes of miRNAs identified in this study were extracted from the MiRWalk database, and these target genes were enriched in Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathways. A total of 191 studies reporting 162 miRNAs were included in our meta-analysis. Among them, 36 miRNAs distributed across 96 studies were expressed in the same direction in at least two studies (13 up-regulated and 23 down-regulated). Subgroup analysis of tissue source revealed that the highest number of studies was conducted using articular cartilage, where the most up-regulated miRNAs were miR-146a-5p (logOR 7.355; P < 0.001) and miR-34a-5p (logOR 6.955; P < 0.001), and the most down-regulated miRNAs were miR-127-5p (logOR 6.586; P < 0.001) and miR-140-5p (logOR 6.373; P < 0.001). Enrichment analysis of 752 downstream target genes of all identified miRNAs was performed, and the regulatory relationships among them were displayed. Mesenchymal stem cells and transforming growth factor-β were found to be the most important downstream effectors regulated by miRNA in OA. This study highlighted the importance of miRNA signaling in OA progression and identified a number of prominent miRNAs including miR-146a-5p, miR-34a-5p, miR-127-5p, and miR-140-5p which might be considered as potential biomarkers for OA.
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Affiliation(s)
- Huachen Liu
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Qingchun Road No. 79, Hangzhou, China
- Shanxi Medical University, Taiyuan, China
| | - Lei Yan
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Qingchun Road No. 79, Hangzhou, China
- Shanxi Medical University, Taiyuan, China
| | - Xiaoke Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Qingchun Road No. 79, Hangzhou, China
- Shanxi Medical University, Taiyuan, China
| | - Dijun Li
- Shanxi Medical University, Taiyuan, China
| | | | - Nan-Nan Shen
- Department of Pharmacy, Affiliated Hospital of Shaoxing University, Shao Xing, China.
| | - Jiao Jiao Li
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW, Australia.
| | - Bin Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Qingchun Road No. 79, Hangzhou, China.
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Semerci Sevimli T, Sevimli M, Qomi Ekenel E, Altuğ Tasa B, Nur Soykan M, Demir Güçlüer Z, İnan U, Uysal O, Güneş Bağış S, Çemrek F, Eker Sarıboyacı A. Comparison of exosomes secreted by synovial fluid-derived mesenchymal stem cells and adipose tissue-derived mesenchymal stem cells in culture for microRNA-127-5p expression during chondrogenesis. Gene 2023; 865:147337. [PMID: 36878417 DOI: 10.1016/j.gene.2023.147337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/14/2023] [Accepted: 02/28/2023] [Indexed: 03/07/2023]
Abstract
This study aimed to investigate the differences between the exosomal microRNA-127-5p expression profiles of human adipose tissue-derived mesenchymal stem cells (hAT-MSCs) and human synovial fluid-derived mesenchymal stem cells (hSF-MSCs) during chondrogenesis in terms of regenerative treatment of cartilage. Synovial fluid-derived mesenchymal stem cells, adipose tissue-derived mesenchymal stem cells, and human fetal chondroblast cells (hfCCs) were directed to chondrogenic differentiation. Alcian Blue and Safranin O stainings were performed to detect chondrogenic differentiation histochemically. Exosomes derived from chondrogenic differentiated cells and their exosomes were isolated and characterized. microRNA-127-5p expressions were measured by Quantitative reverse transcription PCR (qRT-PCR). Significantly higher levels of microRNA-127-5p expression in differentiated hAT-MSCs exosomes, similar to human fetal chondroblast cells, which are the control group in the chondrogenic differentiation process, were observed. hAT-MSCs are better sources of microRNA-127-5p than hSF-MSCs for stimulating chondrogenesis or in the regenerative therapy of cartilage-related pathologies. hAT-MSCs exosomes are rich sources of microRNA-127-5p and can be an essential candidate for cartilage regeneration treatments.
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Affiliation(s)
- Tuğba Semerci Sevimli
- Department of Stem Cell, Cellular Therapy and Stem Cell Production Application and Research Center (ESTEM), Eskisehir Osmangazi University, 26040 Eskisehir, Turkey; Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
| | - Murat Sevimli
- Department of Histology and Embryology, Faculty of Medicine, Suleyman Demirel University, 32260 Isparta, Turkey.
| | - Emilia Qomi Ekenel
- Department of Stem Cell, Cellular Therapy and Stem Cell Production Application and Research Center (ESTEM), Eskisehir Osmangazi University, 26040 Eskisehir, Turkey; Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
| | - Burcugül Altuğ Tasa
- Department of Stem Cell, Cellular Therapy and Stem Cell Production Application and Research Center (ESTEM), Eskisehir Osmangazi University, 26040 Eskisehir, Turkey; Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
| | - Merve Nur Soykan
- Department of Stem Cell, Cellular Therapy and Stem Cell Production Application and Research Center (ESTEM), Eskisehir Osmangazi University, 26040 Eskisehir, Turkey; Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
| | - Zilif Demir Güçlüer
- Department of Stem Cell, Cellular Therapy and Stem Cell Production Application and Research Center (ESTEM), Eskisehir Osmangazi University, 26040 Eskisehir, Turkey; Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
| | - Ulukan İnan
- Department of Orthopedics and Traumatology, Faculty of Medicine, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
| | - Onur Uysal
- Department of Stem Cell, Cellular Therapy and Stem Cell Production Application and Research Center (ESTEM), Eskisehir Osmangazi University, 26040 Eskisehir, Turkey; Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
| | - Sibel Güneş Bağış
- Department of Stem Cell, Cellular Therapy and Stem Cell Production Application and Research Center (ESTEM), Eskisehir Osmangazi University, 26040 Eskisehir, Turkey; Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
| | - Fatih Çemrek
- Department of Statistics, Faculty of Science and Letters, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
| | - Ayla Eker Sarıboyacı
- Department of Stem Cell, Cellular Therapy and Stem Cell Production Application and Research Center (ESTEM), Eskisehir Osmangazi University, 26040 Eskisehir, Turkey; Department of Stem Cell, Institute of Health Sciences, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
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Liu H, Zhao H, Huang Y, Lei M. Circ_0002715 promotes the development of osteoarthritis through regulating LXN by sponging miR-127-5p. J Orthop Surg Res 2023; 18:230. [PMID: 36949500 PMCID: PMC10031964 DOI: 10.1186/s13018-023-03638-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 02/22/2023] [Indexed: 03/24/2023] Open
Abstract
BACKGROUND Our study aims to investigate the role and mechanism of circular RNA_0002715 (circ_0002715) in osteoarthritis (OA) progression. METHODS IL-1β-induced CHON-001 cells were used to mimic OA cell model. Circ_0002715, microRNA (miR)-127-5p and Latexin (LXN) expression was detected by quantitative real-time PCR. Cell functions were determined by MTT assay, flow cytometry and ELISA assay. Protein expression was examined by western blot. RESULTS Circ_0002715 was highly expressed in OA cartilage tissues. Circ_0002715 silencing inhibited inflammation, apoptosis, and ECM degradation in IL-1β-interfered CHON-001 cells. Circ_0002715 could sponge miR-127-5p, and miR-127-5p could target LXN. The effect of circ_0002715 down-regulation on chondrocyte injury was partially restored by miR-127-5p inhibitor. MiR-127-5p could suppress chondrocyte injury by inhibiting LXN expression. CONCLUSION Circ_0002715 might be a new therapeutic target for OA, which regulated miR-127-5p/LXN axis to promote IL-1β-induced chondrocyte injury.
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Affiliation(s)
- Hongbo Liu
- Department of Rehabilitation, Chongqing Traditional Chinese Medicine Hospital, No. 6, Panxi Qizhi Road, Jiangbei District, Chongqing, 400021, China
| | - Hongxia Zhao
- Department of Rehabilitation, Chongqing Traditional Chinese Medicine Hospital, No. 6, Panxi Qizhi Road, Jiangbei District, Chongqing, 400021, China
| | - Yin Huang
- Department of Acupuncture, Chongqing Traditional Chinese Medicine Hospital, Chongqing, 400021, China
| | - Ming Lei
- Department of Rehabilitation, Chongqing Traditional Chinese Medicine Hospital, No. 6, Panxi Qizhi Road, Jiangbei District, Chongqing, 400021, China.
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Osteopontin: A Bone-Derived Protein Involved in Rheumatoid Arthritis and Osteoarthritis Immunopathology. Biomolecules 2023; 13:biom13030502. [PMID: 36979437 PMCID: PMC10046882 DOI: 10.3390/biom13030502] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/24/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
Osteopontin (OPN) is a bone-derived phosphoglycoprotein related to physiological and pathological mechanisms that nowadays has gained relevance due to its role in the immune system response to chronic degenerative diseases, including rheumatoid arthritis (RA) and osteoarthritis (OA). OPN is an extracellular matrix (ECM) glycoprotein that plays a critical role in bone remodeling. Therefore, it is an effector molecule that promotes joint and cartilage destruction observed in clinical studies, in vitro assays, and animal models of RA and OA. Since OPN undergoes multiple modifications, including posttranslational changes, proteolytic cleavage, and binding to a wide range of receptors, the mechanisms by which it produces its effects, in some cases, remain unclear. Although there is strong evidence that OPN contributes significantly to the immunopathology of RA and OA when considering it as a common denominator molecule, some experimental trial results argue for its protective role in rheumatic diseases. Elucidating in detail OPN involvement in bone and cartilage degeneration is of interest to the field of rheumatology. This review aims to provide evidence of the OPN’s multifaceted role in promoting joint and cartilage destruction and propose it as a common denominator of AR and OA immunopathology.
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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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Zhang Y, Zhao P, Li S, Mu X, Wang H. CircSCAPER knockdown attenuates IL-1β-induced chondrocyte injury by miR-127-5p/TLR4 axis in osteoarthritis. Autoimmunity 2022; 55:577-586. [PMID: 35993243 DOI: 10.1080/08916934.2022.2103798] [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
PURPOSE Osteoarthritis (OA) is a chronic inflammatory degenerative disease characterized by articular cartilage degradation. Circular RNAs have been shown to play significant roles in OA process. Herein, this work aimed to investigate the potential role and mechanism of circSCAPER in OA progression. METHODS Levels of circSCAPER, miR-127-5p and toll-like receptor 4 (TLR4) were detected by qRT-PCR or western blotting. Cell apoptosis was determined by flow cytometry. The expression of Aggrecan and Matrix metallopeptidase was examined using western blot to assess extracellular matrix (ECM) degradation. Inflammatory response and oxidative stress were determined by measuring the release of inflammatory factors, along with the generation of intracellular reactive oxygen species and malondialdehyde. The interaction between miR-127-5p and circSCAPER or TLR4 was determined by dual-luciferase reporter, RNA immunoprecipitation and pull-down assays. RESULTS Chondrocytes were treated with interleukin-1β (IL-1β) to mimic OA condition in vitro. CircSCAPER was increased in OA cartilages and IL-1β-induced chondrocytes. Functionally, knockdown of circSCAPER attenuated IL-1β-evoked apoptosis, ECM degradation, inflammation and oxidative stress in vitro. CircSCAPER up-regulation in OA cartilages was discovered to be accompanied by decreased miR-127-5p and increased TLR4. Mechanistically, circSCAPER acted as a sponge for miR-127-5p to positively regulate TLR4 expression in chondrocytes. IL-1β treatment reduced miR-127-5p expression but up-regulated TLR4 expression, re-expression of miR-127-5p suppressed IL-1β-caused chondrocyte injury, which was abolished by TLR4 overexpression. Moreover, miR-127-5p inhibition reversed the protective action of circSCAPER knockdown on chondrocytes under IL-1β treatment. CONCLUSION CircSCAPER silencing protected against IL-1β-induced apoptosis, ECM degradation, inflammation and oxidative stress in chondrocytes via miR-127-5p/TLR4 axis.
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Affiliation(s)
- Yuchang Zhang
- Department of Orthopedics, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Ping Zhao
- Department of Orthopedics, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Sen Li
- Department of Orthopedics, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Xiangqian Mu
- Department of Orthopedics, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Huaqi Wang
- Department of Orthopedics, Ankang Traditional Chinese Medicine Hospital, Ankang, China
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Silencing of Circ_0135889 Restrains Proliferation and Tumorigenicity of Human Neuroblastoma Cells. J Surg Res 2022; 279:135-147. [PMID: 35772185 DOI: 10.1016/j.jss.2022.05.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 04/26/2022] [Accepted: 05/22/2022] [Indexed: 11/22/2022]
Abstract
INTRODUCTION Neuroblastoma (NB) is the most common extracranial solid tumor in infants and young children. Circular ribonucleic acid (RNA) hsa_circ_0135889 (circ_0135889; hsa_circ argonaute 2 _001) is highly expressed in multiple cancer tissues, including NB. However, its role in tumor progression of NB was unclear. METHODS Real-time quantitative polymerace chain reaction was used to detect RNA expression, and western blotting, or immunohistochemistry was used to measure protein expression. Functional experiments were performed using 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium, 5-Ethynyl-2'- deoxyuridine, Annexin V-fluorescein isothiocyanate/propidium iodide, and transwell assays, as well as xenograft tumor model. The intermolecular interaction was predicted by online databases and confirmed by dual-luciferase reporter assay and RNA pull-down assay. RESULTS Circ_0135889 and neuronal differentiation 1 (NEUROD1) were upregulated whilst microRNA (miR)-127-5p, was downregulated in NB tumors and immortalized NB cells. Silencing of circ_0135889 could suppress cell proliferation, migration and invasion, but enhance apoptosis rate of NB cells in vitro. More importantly, circ_0135889 depletion inhibited xenograft tumor growth of NB cells. Circ_0135889 was a sponge for miR-127-5p, and inhibition of miR-127-5p counteracted the inhibitory impact of circ_0135889 knockdown on the malignant behaviors of NB cells. Moreover, NEUROD1 was a direct target of miR-127-5p, and miR-127-5p exerted the anti-tumor role in NB cells by targeting NEUROD1. Furthermore, circ_0135889 regulated NEUROD1expression by sponging miR-127-5p. CONCLUSIONS Circ_0135889 promoted the tumorigenicity of NB by regulating miR-127-5p/NEUROD1 axis, which might provide a promising therapeutic target for NB.
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The lncRNA MIAT/miR-181a-5p axis regulates osteopontin (OPN)-mediated proliferation and apoptosis of human chondrocytes in osteoarthritis. J Mol Histol 2022; 53:285-296. [PMID: 35286539 DOI: 10.1007/s10735-022-10067-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 02/13/2022] [Indexed: 10/18/2022]
Abstract
Osteoarthritis (OA) is a slow-progressing degenerative joint disease mainly characterized by progressive cartilage loss and subchondral bone remodeling. Osteopontin (OPN) is a matrix extracellular glyco-phosphoprotein capable of regulating the expression levels of multiple factors linked with OA pathogenesis. This study explores the upstream regulatory molecular mechanism of OPN on proliferation and apoptosis of human chondrocytes in OA. Chondrocytes were isolated from OA cartilage and identified by toluidine blue staining and immunofluorescent staining of type II collagen. An MTT assay was used for cell viability, and a BrdU assay was applied for DNA synthesis. Cell apoptosis was detected by a flow cytometry assay. A lncRNA MIAT/miR-181a-5p/OPN axis regulating OA chondrocyte proliferation and apoptosis were identified. miR-181a-5p directly targeted OPN and inhibited OPN expression in OA chondrocytes. miR-181a-5p overexpression inhibited OA chondrocyte viability, suppressed DNA synthesis, and promoted apoptosis. OPN overexpression exerted opposite effects on OA chondrocytes and significantly attenuated the roles of miR-181a-5p overexpression in OA chondrocytes. A total of six long non-coding RNAs (lncRNAs) were predicted to target miR-181a-5p, and MIAT was the most up-regulated in OA cartilage tissues among the six lncRNAs. Through direct targeting, MIAT inhibited miR-181a-5p expression. MIAT silencing inhibited cell viability, suppressed DNA synthesis, and promoted cell apoptosis. Moreover, miR-181a-5p inhibition partially reversed the effects of MIAT silencing on OA chondrocytes. The lncRNA MIAT/miR-181a-5p/OPN axis could modulate OA chondrocyte proliferation and apoptosis. The comprehensive function of this axis on OA requires further in vivo and clinical investigations.
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Lehmann TP, Guderska U, Kałek K, Marzec M, Urbanek A, Czernikiewicz A, Sąsiadek M, Karpiński P, Pławski A, Głowacki M, Jagodziński PP. The Regulation of Collagen Processing by miRNAs in Disease and Possible Implications for Bone Turnover. Int J Mol Sci 2021; 23:91. [PMID: 35008515 PMCID: PMC8745169 DOI: 10.3390/ijms23010091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 12/15/2022] Open
Abstract
This article describes several recent examples of miRNA governing the regulation of the gene expression involved in bone matrix construction. We present the impact of miRNA on the subsequent steps in the formation of collagen type I. Collagen type I is a main factor of mechanical bone stiffness because it constitutes 90-95% of the organic components of the bone. Therefore, the precise epigenetic regulation of collagen formation may have a significant influence on bone structure. We also describe miRNA involvement in the expression of genes, the protein products of which participate in collagen maturation in various tissues and cancer cells. We show how non-collagenous proteins in the extracellular matrix are epigenetically regulated by miRNA in bone and other tissues. We also delineate collagen mineralisation in bones by factors that depend on miRNA molecules. This review reveals the tissue variability of miRNA regulation at different levels of collagen maturation and mineralisation. The functionality of collagen mRNA regulation by miRNA, as proven in other tissues, has not yet been shown in osteoblasts. Several collagen-regulating miRNAs are co-expressed with collagen in bone. We suggest that collagen mRNA regulation by miRNA could also be potentially important in bone metabolism.
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Affiliation(s)
- Tomasz P. Lehmann
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Urszula Guderska
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Klaudia Kałek
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Maria Marzec
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Agnieszka Urbanek
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Alicja Czernikiewicz
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Maria Sąsiadek
- Department of Genetics, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.S.); (P.K.)
| | - Paweł Karpiński
- Department of Genetics, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.S.); (P.K.)
| | - Andrzej Pławski
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland;
| | - Maciej Głowacki
- Department of Paediatric Orthopaedics and Traumatology, Poznan University of Medical Sciences, 61-545 Poznan, Poland;
| | - Paweł P. Jagodziński
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
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Deng Z, Chen F, Liu Y, Wang J, Lu W, Jiang W, Zhu W. Losartan protects against osteoarthritis by repressing the TGF-β1 signaling pathway via upregulation of PPARγ. J Orthop Translat 2021; 29:30-41. [PMID: 34094856 PMCID: PMC8142050 DOI: 10.1016/j.jot.2021.03.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 01/25/2021] [Accepted: 03/01/2021] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE Losartan and activation of the peroxisome proliferator-activated receptor-γ (PPARγ) have been previously reported to alleviate the progression of osteoarthritis (OA). However, the nature of the interaction between losartan and PPARγ in OA remains elusive. Therefore, we aimed to investigate the mechanism of the regulation of PPARγ by losartan in the context of OA. METHODS Clinical samples of OA patients were collected and the chondrocytes were further isolated, and used to construct OA chondrocyte model via induction with IL-1β. An OA mouse model was developed by the surgical destabilization of the medial meniscus (DMM). OA chondrocytes were treated with losartan, PPARγ siRNA and the PPAR-γ agonist GW1929 alone or in combination. Furthermore, the OA mice were treated with varying doses of losartan to determine the best mode of administration and treatment dose. Subsequently, the DMM mice were treated with losartan and GW9662. Expression of PPARγ, key proteins of the transforming growth factor-beta1 (TGF-β1) signaling pathway and the markers of OA degeneration were evaluated by the Western blot analysis, while effects on OA inflammatory factors were determined by ELISA. RESULTS The downregulation of PPARγ and the upregulation of TGF-β1 signaling pathway were detected in the OA cartilage tissues and chondrocytes. Losartan treatment or PPARγ activation contributes to reduced levels of IL-6, IL-1β, TNF-α, and COX-2, expression of TGF-β1, MMP-13, ADAMTS-4, ADAMTS-5, HtrA1, and iNOS, along with reduced Smad2 and Smad3 phosphorylation, but elevated PPARγ and Collagen II expression in vivo and in vitro. Additionally, the intraarticular injection of losartan into the knee joint proved to be the best mode of administration, and 10 mg/mL being the optimal treatment concentration. CONCLUSION Our results show that losartan could arrest the progression of OA by upregulating PPARγ expression and inactivating the TGF-β1 signaling pathway.The translational potential of this article: Our results provide a biological rationale for the use of losartan as a potential candidate for OA treatment.
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Affiliation(s)
- Zhenhan Deng
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
- Clinical Medical College of Shenzhen University, Shenzhen, Guangdong, 518000, China
- Guangzhou Medical University, Guangzhou, Guangdong, 510182, China
- Shenzhen Key Laboratory of Tissue Engineering, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
| | - Fei Chen
- Shenzhen Key Laboratory of Tissue Engineering, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
| | - Yuwei Liu
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
- Shenzhen Key Laboratory of Tissue Engineering, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
| | - Jinping Wang
- Shenzhen Key Laboratory of Tissue Engineering, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
| | - Wei Lu
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
- Clinical Medical College of Shenzhen University, Shenzhen, Guangdong, 518000, China
- Guangzhou Medical University, Guangzhou, Guangdong, 510182, China
- Shenzhen Key Laboratory of Tissue Engineering, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
| | - Wei Jiang
- Bone and Joint Department, Shenzhen People's Hospital; The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong, 518020, China
| | - Weimin Zhu
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
- Clinical Medical College of Shenzhen University, Shenzhen, Guangdong, 518000, China
- Guangzhou Medical University, Guangzhou, Guangdong, 510182, China
- Shenzhen Key Laboratory of Tissue Engineering, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, 518035, China
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13
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Zhou X, Xu W, Wang Y, Zhang H, Zhang L, Li C, Yao S, Huang Z, Huang L, Luo D. LncRNA DNM3OS regulates GREM2 via miR-127-5p to suppress early chondrogenic differentiation of rat mesenchymal stem cells under hypoxic conditions. Cell Mol Biol Lett 2021; 26:22. [PMID: 34049478 PMCID: PMC8161583 DOI: 10.1186/s11658-021-00269-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 05/20/2021] [Indexed: 12/13/2022] Open
Abstract
Background Improved chondrogenic differentiation of mesenchymal stem cells (MSCs) by genetic regulation is a potential method for regenerating articular cartilage. MiR-127-5p has been reported to promote cartilage differentiation of rat bone marrow MSCs (rMSCs); however, the regulatory mechanisms underlying hypoxia-stimulated chondrogenic differentiation remain unknown. Methods rMSCs were induced to undergo chondrogenic differentiation under normoxic or hypoxic conditions. Expression of lncRNA DNM3OS, miR-127-5p, and GREM2 was detected by quantitative real-time PCR. Proteoglycans were detected by Alcian blue staining. Western blot assays were performed to examine the relative levels of GREM2 and chondrogenic differentiation related proteins. Luciferase reporter assays were performed to assess the association among DNM3OS, miR-127-5p, and GREM2. Results MiR-127-5p levels were upregulated, while DNM3OS and GREM2 levels were downregulated in rMSCs induced to undergo chondrogenic differentiation, and those changes were attenuated by hypoxic conditions (1% O2). Further in vitro experiments revealed that downregulation of miR-127-5p reduced the production of proteoglycans and expression of chondrogenic differentiation markers (COL1A1, COL2A1, SOX9, and ACAN) and osteo/chondrogenic markers (BMP-2, p-SMAD1/2). MiR-127-5p overexpression produced the opposite results in rMSCs induced to undergo chondrogenic differentiation under hypoxic conditions. GREM2 was found to be a direct target of miR-127-5p, which was suppressed in rMSCs undergoing chondrogenic differentiation. Moreover, DNM3OS could directly bind to miR-127-5p and inhibit chondrogenic differentiation of rMSCs via regulating GREM2. Conclusions Our study revealed a novel molecular pathway (DNM3OS/miR-127-5p/GREM2) that may be involved in hypoxic chondrogenic differentiation.
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Affiliation(s)
- Xiaozhong Zhou
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Wangyang Xu
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Yeyang Wang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Hui Zhang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Li Zhang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Chao Li
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Shun Yao
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Zixiang Huang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Lishan Huang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Dixin Luo
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China.
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Han Y, Liu Y, Zhang B, Yin G. Exosomal circRNA 0001445 promotes glioma progression through miRNA-127-5p/SNX5 pathway. Aging (Albany NY) 2021; 13:13287-13299. [PMID: 33982667 PMCID: PMC8148472 DOI: 10.18632/aging.203013] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 03/03/2021] [Indexed: 12/21/2022]
Abstract
Background: Glioma is one of the most wide-spreading brain cancers worldwide. Exosomes have emerged as essential regulators in intercellular communication, and exosomal circular RNAs (circRNAs) are critical for cancer progression. In this study, we aimed to investigate the role of exosomal circRNAs in glioma progression and associated mechanisms. Methods: Exosomes derived from glioma cells were isolated and identified by transmission electron microscopy and nanoparticle tracking analysis (NTA). CCK-8, wound healing assays, transwell invasion assays, and flow cytometry assays were performed to assess glioma progression. RNA sequencing, RT-qPCR, western blotting, fluorescence in situ hybridization assay, luciferase assays, and cell transfection assay were performed to investigate related molecular mechanisms. Results: The results demonstrated that exosomes derived from glioma cells promoted glioma progression. Also, exosomal circRNA 0001445 was taken up and upregulated in glioma cells treated with exosomes. In addition, exosomal circRNA 0001445 acted as a sponge for miRNA-127-5p to upregulate the expression of sorting nexin 5 (SNX5). Lastly, the effect of exosomal circRNA 0001445 was mediated by miRNA-127-5p/ SNX5 signaling pathway. Conclusion: These results demonstrated that exosomal circRNA 0001445 promoted glioma progression through miRNA-127-5p/SNX5 signaling pathway. This study provides a novel understanding of the molecular mechanism of glioma progression.
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Affiliation(s)
- Yonggang Han
- The Third Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei Province, China
| | - Yunchao Liu
- The Third Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei Province, China
| | - Baoxu Zhang
- The Third Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei Province, China
| | - Gangfeng Yin
- The Third Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei Province, China
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15
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Sun M, Yang J, Jiang D, Bao G. Overexpression of hsa_circ_0094742 inhibits IL-1β-induced decline in CHON-001 cell viability by targeting microRNA-127-5p. Histol Histopathol 2021; 36:207-216. [PMID: 33665792 DOI: 10.14670/hh-18-325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Osteoarthritis (OA) is a public health problem that affects 240 million people globally; however, the current treatment options for OA are not effective. Therefore, there is still an urgent need to identify novel strategies to reduce the incidence and progression of OA. The circular RNA hsa_circ_0094742 was reported to be downregulated in patients with OA. However, the underlying mechanism remains unclear. The levels of hsa_circ_0094742 in CHON-001 were detected by reverse transcription quantitative polymerase chain reaction. Moreover, Cell Counting Kit-8 assay and Ki67 staining were used to determine the cell viability. The protein expression of biomarkers was detected by western blot analysis. In addition, the putative downstream target of hsa_circ_0094742 was predicted using the Circinteractome and TargetScan online databases. The putative targeting relationship was verified by dual luciferase reporter assay and fluorescence in situ hybridization. Next, cell apoptosis was determined by Annexin V/PI staining. hsa_circ_0094742 overexpression (OE) inhibited interleukin (IL)-1β-induced decline in the viability of CHON-001 cells and primary human chondrocytes. Furthermore, IL-1β-induced alterations in aggrecan, matrix metallopeptidase 13, X-linked inhibitor of apoptosis protein (XIAP), Bax and active caspase 3 were reversed by hsa_circ_0094742 OE. Luciferase reporter assay indicated that miR-127-5p was the downstream target of hsa_circ_0094742, and latexin was the target of miR-127-5p. hsa_circ_0094742 OE inhibited IL-1β-induced decline in CHON-001 cell viability by targeting miRNA-127-5p. The findings of the present study revealed the biological rational of the use of hsa_circ_0094742 OE as an anti-IL-1β effector in human chondrocytes. These findings may prompt further research on hsa_circ_0094742 as a potent circRNA target for the treatment of OA.
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Affiliation(s)
- Mingqi Sun
- Department of Orthopaedic Trauma, the Second Affiliated Hospital of Inner Mongolia Medical University, Huhhot, Inner Mongolia, China
| | - Junli Yang
- Physical Examination Center, the Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia, China
| | - Dianming Jiang
- Department of Orthopedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Guoyu Bao
- Department of Orthopaedic Trauma, the Second Affiliated Hospital of Inner Mongolia Medical University, Huhhot, Inner Mongolia, China.
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Žlajpah M, Boštjančič E, Tepeš B, Zidar N. Expression of Extracellular Matrix-Related Genes and Their Regulatory microRNAs in Problematic Colorectal Polyps. Cancers (Basel) 2020; 12:cancers12123715. [PMID: 33322258 PMCID: PMC7764749 DOI: 10.3390/cancers12123715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 12/14/2022] Open
Abstract
Colorectal carcinoma usually evolves gradually, forming a spectrum of lesions, due to accumulation of genetic mutations and epigenetic alterations. Many early lesions are detected since the introduction of screening programs. The greatest challenge is to distinguish between adenomas with epithelial misplacement (AEM) and adenomas with early carcinoma (AEC), considering the diagnosis affects prognosis and treatment. We analyzed the expression of selected extracellular matrix (ECM)-related genes and proteins, and their regulatory microRNAs using RT-qPCR and immunohistochemistry in biopsies from 44 patients. Differences were observed in AEM in comparison to AEC for DCN, EPHA4, FN1, SPON2, and SPP1, reflecting inflammatory stromal reaction to traumatisation and misplacement of dysplastic glands in the submucosa in the former, and desmoplastic stromal reaction to true invasion of dysplastic glands in the submucosa in the latter. Expression of regulatory microRNAs hsa-miR-200c and hsa-miR-146a significantly negatively correlated with the expression of their regulated genes, while significant difference between AEM and AEC was observed only for hsa-miR-29c. The described expression patterns are too complex to be used in diagnostic work, but might contribute to better understanding ECM changes in colorectal carcinoma development, helping to find new markers in the future.
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Affiliation(s)
- Margareta Žlajpah
- Faculty of Medicine, Institute of Pathology, University of Ljubljana, 1000 Ljubljana, Slovenia; (M.Ž.); (E.B.)
| | - Emanuela Boštjančič
- Faculty of Medicine, Institute of Pathology, University of Ljubljana, 1000 Ljubljana, Slovenia; (M.Ž.); (E.B.)
| | - Bojan Tepeš
- Gastroenterology Unit, AM DC Rogaška, 3250 Rogaška Slatina, Slovenia;
| | - Nina Zidar
- Faculty of Medicine, Institute of Pathology, University of Ljubljana, 1000 Ljubljana, Slovenia; (M.Ž.); (E.B.)
- Correspondence:
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Jiang Q, Dai L, Chen N, Li J, Gao Y, Zhao J, Ding L, Xie C, Yi X, Deng H, Wang X. Integrative analysis provides multi-omics evidence for the pathogenesis of placenta percreta. J Cell Mol Med 2020; 24:13837-13852. [PMID: 33085209 PMCID: PMC7754008 DOI: 10.1111/jcmm.15973] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 09/02/2020] [Accepted: 09/18/2020] [Indexed: 02/05/2023] Open
Abstract
Pernicious placenta previa with placenta percreta (PP) is a catastrophic condition during pregnancy. However, the underlying pathogenesis remains unclear. In the present study, the placental tissues of normal cases and PP tissues of pernicious placenta previa cases were collected to determine the expression profile of protein‐coding genes, miRNAs, and lncRNAs through sequencing. Weighted gene co‐expression network analysis (WGCNA), accompanied by miRNA target prediction and correlation analysis, were employed to select potential hub protein‐coding genes and lncRNAs. The expression levels of selected protein‐coding genes, Wnt5A and MAPK13, were determined by quantitative PCR and immunohistochemical staining, and lncRNA PTCHD1‐AS and PAPPA‐AS1 expression levels were determined by quantitative PCR and fluorescence in situ hybridization. The results indicated that 790 protein‐coding genes, 382 miRNAs, and 541 lncRNAs were dysregulated in PP tissues, compared with normal tissues. WGCNA identified coding genes in the module (ME) black and ME turquoise modules that may be involved in the pathogenesis of PP. The selected potential hub protein‐coding genes, Wnt5A and MAPK13, were down‐regulated in PP tissues, and their expression levels were positively correlated with the expression levels of PTCHD1‐AS and PAPPA‐AS1. Further analysis demonstrated that PTCHD1‐AS and PAPPA‐AS1 regulated Wnt5A and MAPK13 expression by interacting with specific miRNAs. Collectively, our results provided multi‐omics data to better understand the pathogenesis of PP and help identify predictive biomarkers and therapeutic targets for PP.
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Affiliation(s)
- Qingyuan Jiang
- Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, China.,Department of Obstetrics, Sichuan Provincial Hospital for Women and Children, Chengdu, China
| | - Lei Dai
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Na Chen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Junshu Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yan Gao
- Department of Obstetrics, Sichuan Provincial Hospital for Women and Children, Chengdu, China
| | - Jing Zhao
- Imaging Center, Sichuan Provincial Hospital for Women and Children, Chengdu, China
| | - Li Ding
- Imaging Center, Sichuan Provincial Hospital for Women and Children, Chengdu, China
| | - Chengbin Xie
- Department of Laboratory Medicine, Sichuan Provincial Hospital for Women and Children, Chengdu, China
| | - Xiaolian Yi
- Pathology Department, Sichuan Provincial Hospital for Women and Children, Chengdu, China
| | - Hongxin Deng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaodong Wang
- Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, China
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18
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Žlajpah M, Boštjančič E, Zidar N. (Epi)genetic regulation of osteopontin in colorectal cancerogenesis. Epigenomics 2020; 12:1389-1403. [PMID: 32921164 DOI: 10.2217/epi-2020-0032] [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] [Indexed: 12/13/2022] Open
Abstract
Aim: To identify (epi)genetic regulators of osteopontin (OPN, encoded by SPP1 gene) from normal colon mucosa to adenoma, adenoma with early carcinoma and advanced carcinoma. Patients & methods: Biopsy samples of 41 patients with different patohistologic diagnosis were used. Using qPCR, pyrosequencing and statistical analysis, we determined the expression level of osteopontin regulatory miRNAs, its copy number and methylation status. Results & conclusion: We showed that hsa-miR-146a-5p expression is inversely proportional to the expression level of SPP1 and that expression might be also controlled by copy number and methylation. These results suggest that not only expression of SPP1 but also its copy number, methylation status and expression of its regulators might be used as a potential biomarker of colorectal cancer.
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Affiliation(s)
- Margareta Žlajpah
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Emanuela Boštjančič
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Nina Zidar
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
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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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MiR-21-5p regulates extracellular matrix degradation and angiogenesis in TMJOA by targeting Spry1. Arthritis Res Ther 2020; 22:99. [PMID: 32357909 PMCID: PMC7195789 DOI: 10.1186/s13075-020-2145-y] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 03/05/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Due to the lack of research on the pathological mechanism of temporomandibular joint osteoarthritis (TMJOA), there are few effective treatment measures in the clinic. In recent years, microRNAs (miRs) have been demonstrated to play an important role in the pathogenesis of osteoarthritis (OA) by regulating a variety of target genes, and the latest evidence shows that miR-21-5p is specifically overexpressed in OA. The purpose of this project was to clarify whether miR-21-5p can regulate the TMJOA process by targeting Spry1. METHODS TMJOA was induced by a unilateral anterior crossbite (UAC) model, and the effect of miR-21-5p knockout on TMJOA was evaluated by toluidine blue (TB), immunohistochemical (IHC) staining, Western blotting (WB) and RT-qPCR. Primary mouse condylar chondrocytes (MCCs) were isolated, cultured and transfected with a series of mimics, inhibitors, siRNA-Spry1 or cDNA Spry1. WB, RT-qPCR, IHC and TB were used to detect the effect of miR-21-5p and its target gene Spry1 on the expression of MMP-13, VEGF and p-ERK1/2 in TMJOA. The effect of miR-21-5p on angiogenesis was evaluated by chick embryo chorioallantoic membrane (CAM) assay and WB. RESULTS In the UAC model, the cartilage thickness and extracellular matrix of miR-21-5p knockout mice were less damaged, and miR-21-5p and UAC model were shown to affect the expression of Spry1, IL-1β, MMP-13, and VEGF. Luciferase experiments confirmed that Spry1 was the direct target of miR-21-5p. The expression levels of Spry1, MMP-13, VEGF and p-ERK1/2 in MCCs transfected with miR-21-5p mimic were higher than those in the inhibitor group. Under the simulated inflammatory environment of IL-1β, the expression levels of MMP-13, VEGF and p-ERK1/2 were positively correlated with miR-21-5p, while Spry1 was negatively correlated with miR-21-5p. Inhibition of miR-21-5p expression and overexpression of Spry1 enhanced the inhibition of MMP-13, VEGF and p-ERK1/2 expression. MiR-21-5p had a significant role in promoting angiogenesis in the chick embryo CAM assay, and this role was clearly mediated by the ERK-MAPK signalling pathway. CONCLUSION This study verified that miR-21-5p can promote the process of TMJOA by targeting Spry1, which provides a new direction for future research on the treatment of this disease.
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Yamada N, Matsushima-Nishiwaki R, Kozawa O. Quercetin suppresses the migration of hepatocellular carcinoma cells stimulated by hepatocyte growth factor or transforming growth factor-α: Attenuation of AKT signaling pathway. Arch Biochem Biophys 2020; 682:108296. [DOI: 10.1016/j.abb.2020.108296] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 01/27/2020] [Accepted: 02/03/2020] [Indexed: 02/06/2023]
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Raimondo S, Urzì O, Conigliaro A, Lo Bosco G, Parisi S, Carlisi M, Siragusa S, Raimondi L, De Luca A, Giavaresi G, Alessandro R. Extracellular Vesicle microRNAs Contribute to the Osteogenic Inhibition of Mesenchymal Stem Cells in Multiple Myeloma. Cancers (Basel) 2020; 12:cancers12020449. [PMID: 32075123 PMCID: PMC7072478 DOI: 10.3390/cancers12020449] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/05/2020] [Accepted: 02/10/2020] [Indexed: 12/14/2022] Open
Abstract
Osteolytic bone disease is the major complication associated with the progression of multiple myeloma (MM). Recently, extracellular vesicles (EVs) have emerged as mediators of MM-associated bone disease by inhibiting the osteogenic differentiation of human mesenchymal stem cells (hMSCs). Here, we investigated a correlation between the EV-mediated osteogenic inhibition and MM vesicle content, focusing on miRNAs. By the use of a MicroRNA Card, we identified a pool of miRNAs, highly expressed in EVs, from MM cell line (MM1.S EVs), expression of which was confirmed in EVs from bone marrow (BM) plasma of patients affected by smoldering myeloma (SMM) and MM. Notably, we found that miR-129-5p, which targets different osteoblast (OBs) differentiation markers, is enriched in MM-EVs compared to SMM-EVs, thus suggesting a selective packaging correlated with pathological grade. We found that miR-129-5p can be transported to hMSCs by MM-EVs and, by the use of miRNA mimics, we investigated its role in recipient cells. Our data demonstrated that the increase of miR-129-5p levels in hMSCs under osteoblastic differentiation stimuli inhibited the expression of the transcription factor Sp1, previously described as a positive modulator of osteoblastic differentiation, and of its target the Alkaline phosphatase (ALPL), thus identifying miR-129-5p among the players of vesicle-mediated bone disease.
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Affiliation(s)
- Stefania Raimondo
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (S.R.); (O.U.); (A.C.); (S.P.)
| | - Ornella Urzì
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (S.R.); (O.U.); (A.C.); (S.P.)
| | - Alice Conigliaro
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (S.R.); (O.U.); (A.C.); (S.P.)
| | - Giosuè Lo Bosco
- Department of Mathematics and Computer Science, University of Palermo, 90133 Palermo, Italy;
- Department of Sciences for technological innovation, Euro-Mediterranean Institute of Science and Technology, 90133 Palermo, Italy
| | - Sofia Parisi
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (S.R.); (O.U.); (A.C.); (S.P.)
| | - Melania Carlisi
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (ProMISE), Haematology Unit, University of Palermo, 90133 Palermo, Italy; (M.C.); (S.S.)
| | - Sergio Siragusa
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (ProMISE), Haematology Unit, University of Palermo, 90133 Palermo, Italy; (M.C.); (S.S.)
| | - Lavinia Raimondi
- IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (L.R.); (A.D.L.); (G.G.)
| | - Angela De Luca
- IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (L.R.); (A.D.L.); (G.G.)
| | - Gianluca Giavaresi
- IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy; (L.R.); (A.D.L.); (G.G.)
| | - Riccardo Alessandro
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (S.R.); (O.U.); (A.C.); (S.P.)
- Correspondence:
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Liu B, Cao W, Xue J. LncRNA ANRIL protects against oxygen and glucose deprivation (OGD)-induced injury in PC-12 cells: potential role in ischaemic stroke. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:1384-1395. [PMID: 31174432 DOI: 10.1080/21691401.2019.1596944] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
lncRNA ANRIL was reported to be closely related to ischaemic stroke (IS). In this study, we used oxygen-glucose deprivation (OGD) to stimulate rat adrenal medulla-derived pheochromocytoma cell line PC-12 to construct an in vitro IS cell model and investigated the role of ANRIL and the underlying mechanism. PC-12 cells were stimulated by OGD and/or transfected with pc-ANRIL, si-ANRIL, miR-127 mimic, miR-127 inhibitor, pEX-Mcl-1, sh-Mcl-1 and their negative controls. Cell viability, apoptosis, mRNA and protein expression was detected using CCK-8 assay, flow cytometry assay, qRT-PCR and western blot, respectively. Results showed that OGD-induced PC-12 cell injury and decreased ANRIL expression. ANRIL overexpression significantly reduced OGD-induced PC-12 cell injury evidenced by increasing cell viability and decreasing apoptosis, while ANRIL silence led to the opposite results. Meanwhile, dysregulation of ANRIL altered the expression of apoptotic proteins. Furthermore, ANRIL negatively regulated miR-127 expression. miR-127 overexpression significantly enhanced OGD-induced PC-12 cell injury. In addition, Mcl-1 expression was negatively regulated by miR-127, besides ANRIL up-regulated Mcl-1 expression by down-regulation of miR-127. Mcl-1 overexpression alleviated cell injury and miR-127 silence up-regulated Mcl-1 expression. In conclusion, lncRNA ANRIL alleviated OGD-induced PC-12 cell injury as evidenced. PI3K/AKT pathway might be involved in this regulating progression.
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Affiliation(s)
- Bin Liu
- a Department of Neurosurgery, Jining No.1 People's Hospital , Jining , China
| | - Wei Cao
- a Department of Neurosurgery, Jining No.1 People's Hospital , Jining , China
| | - Jian Xue
- a Department of Neurosurgery, Jining No.1 People's Hospital , Jining , China
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Wang W, Ding Y, Xu Y, Yang H, Liu W, Wang H, Chen C, Liu R, Li S. Comprehensive analysis of long noncoding RNAs and mRNAs expression profiles and functional networks during chondrogenic differentiation of murine ATDC5 cells. Acta Biochim Biophys Sin (Shanghai) 2019; 51:778-790. [PMID: 31314051 DOI: 10.1093/abbs/gmz064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Indexed: 01/27/2023] Open
Abstract
Chondrogenic differentiation is a coordinated biological process orchestrated by various cell signaling pathways, involving complex pathways regulated at both transcriptional and post-transcriptional levels. Long noncoding RNAs (lncRNAs) are emerging as important regulators in the modulation of multiple cell processes. However, the potential roles of lncRNAs and their regulatory mechanisms in chondrogenic differentiation remain largely unclear. In this study, microarray was performed to detect the expression profiles of lncRNAs and messenger RNAs (mRNAs) during chondrogenic differentiation of murine chondrogenic cell line ATDC5. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis were performed to explore their functions. Coding-noncoding co-expression (CNC) and competing endogenous RNA (ceRNA) networks were also constructed with bioinformatics methods. The results revealed that 1009 lncRNAs and 1206 mRNAs were differentially regulated during chondrogenic differentiation. GO and KEGG pathway analysis indicated that the principal functions of the transcripts were associated with system development and extracellular matrix-receptor interaction, TGF-β signaling, and PI3K-Akt signaling pathways. The CNC network showed that lncRNA AK136902 was positively correlated with prostaglandin F receptor (FP). The ceRNA network covered 3 lncRNAs, 121 miRNAs and 241 edges. The upregulated lncRNA AK136902, AK016344, and ENSMUST00000180767 might promote chondrogenic differentiation by acting as ceRNAs. Knockdown of lncRNA AK136902 could inhibit the mRNA expression of FP and other chondrogenic related genes, including Aggrecan and Col2a1 during chondrogenic differentiation. Our results provide a new perspective on the modulation of lncRNAs during chondrogenic differentiation.
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Affiliation(s)
- Wei Wang
- Department of Orthodontics, the Affiliated Stomatology Hospital of Kunming Medical University, Kunming, China
- Research Institute of Stomatology, the Affiliated Stomatology Hospital of Kunming Medical University, Kunming, China
| | - Yu Ding
- Research Institute of Stomatology, the Affiliated Stomatology Hospital of Kunming Medical University, Kunming, China
| | - Yanhua Xu
- Department of Orthodontics, the Affiliated Stomatology Hospital of Kunming Medical University, Kunming, China
- Research Institute of Stomatology, the Affiliated Stomatology Hospital of Kunming Medical University, Kunming, China
| | - Hefeng Yang
- Research Institute of Stomatology, the Affiliated Stomatology Hospital of Kunming Medical University, Kunming, China
| | - Wenjing Liu
- Key Laboratory of Animal Models and Human Disease Mechanisms of Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Haixia Wang
- Key Laboratory of Animal Models and Human Disease Mechanisms of Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Ceshi Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Rong Liu
- Key Laboratory of Animal Models and Human Disease Mechanisms of Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
- Center for Excellence in Animal Evolution and Genetics,Chinese Academy of Sciences, Kunming, China
| | - Song Li
- Research Institute of Stomatology, the Affiliated Stomatology Hospital of Kunming Medical University, Kunming, China
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25
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Zhang Z, Zou G, Chen X, Lu W, Liu J, Zhai S, Qiao G. Knockdown of lncRNA PVT1 Inhibits Vascular Smooth Muscle Cell Apoptosis and Extracellular Matrix Disruption in a Murine Abdominal Aortic Aneurysm Model. Mol Cells 2019; 42:218-227. [PMID: 30726659 PMCID: PMC6449717 DOI: 10.14348/molcells.2018.0162] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 10/08/2018] [Accepted: 10/15/2018] [Indexed: 01/08/2023] Open
Abstract
This study was designed to determine the effects of the long non-coding RNA (lncRNA) plasmacytoma variant translocation 1 (PVT1) on vascular smooth muscle cell (VSMC) apoptosis and extracellular matrix (ECM) disruption in a murine abdominal aortic aneurysm (AAA) model. After injection of PVT1-silencing lentiviruses, AAA was induced in Apolipoprotein E-deficient (ApoE-/-) male mice by angiotensin II (Ang II) infusion for four weeks. After Ang II infusion, mouse serum levels of pro-inflammatory cytokines were analysed, and aortic tissues were isolated for histological, RNA, and protein analysis. Our results also showed that PVT1 expression was significantly upregulated in abdominal aortic tissues from AAA patients compared with that in controls. Additionally, Ang II treatment significantly increased PVT1 expression, both in cultured mouse VSMCs and in AAA murine abdominal aortic tissues. Of note, the effects of Ang II in facilitating cell apoptosis, increasing matrix metalloproteinase (MMP)-2 and MMP-9, reducing tissue inhibitor of MMP (TIMP)-1, and promoting switching from the contractile to synthetic phenotype in cultured VSMCs were enhanced by overexpression of PVT1 but attenuated by knockdown of PVT1. Furthermore, knockdown of PVT1 reversed Ang II-induced AAA-associated alterations in mice, as evidenced by attenuation of aortic diameter dilation, marked adventitial thickening, loss of elastin in the aorta, enhanced aortic cell apoptosis, elevated MMP-2 and MMP-9, reduced TIMP-1, and increased pro-inflammatory cytokines. In conclusion, our findings demonstrate that knockdown of lncRNA PVT1 suppresses VSMC apoptosis, ECM disruption, and serum pro-inflammatory cytokines in a murine Ang II-induced AAA model.
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MESH Headings
- Aged
- Aged, 80 and over
- Angiotensin II/pharmacology
- Animals
- Aortic Aneurysm, Abdominal/genetics
- Aortic Aneurysm, Abdominal/pathology
- Apolipoproteins E/deficiency
- Apoptosis/drug effects
- Disease Models, Animal
- Extracellular Matrix/metabolism
- Gene Knockdown Techniques
- Humans
- Inflammation/pathology
- Mice
- Middle Aged
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- RNA, Long Noncoding/genetics
- RNA, Long Noncoding/metabolism
- RNA, Small Interfering/metabolism
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Affiliation(s)
- Zhidong Zhang
- Department of Vascular and Endovascular Surgery, Henan Provincial People’s Hospital, Henan,
China
- Department of Aortic Surgery, Fuwai Central China Cardiovascular Hospital, Henan,
China
| | - Gangqiang Zou
- Department of Vascular and Endovascular Surgery, Henan Provincial People’s Hospital, Henan,
China
- Department of Aortic Surgery, Fuwai Central China Cardiovascular Hospital, Henan,
China
| | - Xiaosan Chen
- Department of Vascular and Endovascular Surgery, Henan Provincial People’s Hospital, Henan,
China
- Department of Aortic Surgery, Fuwai Central China Cardiovascular Hospital, Henan,
China
| | - Wei Lu
- Department of Vascular and Endovascular Surgery, Henan Provincial People’s Hospital, Henan,
China
- Department of Aortic Surgery, Fuwai Central China Cardiovascular Hospital, Henan,
China
| | - Jianyang Liu
- Department of Vascular and Endovascular Surgery, Henan Provincial People’s Hospital, Henan,
China
- Department of Aortic Surgery, Fuwai Central China Cardiovascular Hospital, Henan,
China
| | - Shuiting Zhai
- Department of Vascular and Endovascular Surgery, Henan Provincial People’s Hospital, Henan,
China
- Department of Vascular and Endovascular Surgery, Fuwai Central China Cardiovascular Hospital, Henan,
China
| | - Gang Qiao
- Department of Vascular and Endovascular Surgery, Henan Provincial People’s Hospital, Henan,
China
- Department of Aortic Surgery, Fuwai Central China Cardiovascular Hospital, Henan,
China
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Onset and Progression of Human Osteoarthritis-Can Growth Factors, Inflammatory Cytokines, or Differential miRNA Expression Concomitantly Induce Proliferation, ECM Degradation, and Inflammation in Articular Cartilage? Int J Mol Sci 2018; 19:ijms19082282. [PMID: 30081513 PMCID: PMC6121276 DOI: 10.3390/ijms19082282] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 07/22/2018] [Accepted: 08/01/2018] [Indexed: 12/30/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative whole joint disease, for which no preventative or therapeutic biological interventions are available. This is likely due to the fact that OA pathogenesis includes several signaling pathways, whose interactions remain unclear, especially at disease onset. Early OA is characterized by three key events: a rarely considered early phase of proliferation of cartilage-resident cells, in contrast to well-established increased synthesis, and degradation of extracellular matrix components and inflammation, associated with OA progression. We focused on the question, which of these key events are regulated by growth factors, inflammatory cytokines, and/or miRNA abundance. Collectively, we elucidated a specific sequence of the OA key events that are described best as a very early phase of proliferation of human articular cartilage (AC) cells and concomitant anabolic/catabolic effects that are accompanied by incipient pro-inflammatory effects. Many of the reviewed factors appeared able to induce one or two key events. Only one factor, fibroblast growth factor 2 (FGF2), is capable of concomitantly inducing all key events. Moreover, AC cell proliferation cannot be induced and, in fact, is suppressed by inflammatory signaling, suggesting that inflammatory signaling cannot be the sole inductor of all early OA key events, especially at disease onset.
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27
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Panagopoulos PK, Lambrou GI. The Involvement of MicroRNAs in Osteoarthritis and Recent Developments: A Narrative Review. Mediterr J Rheumatol 2018; 29:67-79. [PMID: 32185303 PMCID: PMC7046075 DOI: 10.31138/mjr.29.2.67] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 03/12/2018] [Accepted: 03/28/2018] [Indexed: 12/15/2022] Open
Abstract
Background: Osteoarthritis (OA) is the most common chronic joint disease and it may progressively cause disability and compromise quality of life. Lately, the role of miRNAs in the pathogenesis of OA has drawn a lot of attention. miRNAs are small, single-stranded, non-coding molecules of RNA which regulate gene expression at post-transcriptional level. The dysregulation of the expression of several miRNAs affects pathways involved in OA pathogenesis. Objective: The purpose of this article is to review the literature on the involvement of miRNAs in the pathogenesis of OA and the implications on its diagnosis and treatment. Materials and Methods: An extensive electronic literature search was conducted by two researchers from January 2008 to August 2017. Titles and abstracts of papers were screened by the authors for further inclusion in the present work. Finally, full texts of the selected articles were retrieved. Results: Abnormally expressed miRNAs enhance the production of cartilage degrading enzymes, inhibit the expression of cartilage matrix components, increase the production of proinflammatory cytokines, facilitate chondrocyte apoptosis, suppress autophagy in chondrocytes and are involved in pain-related pathways. miRNAs are also incorporated in extra-cellular membranous vesicles such as exosomes and participate in the intercellular communication in osteoarthritic joints. Conclusion: Ongoing research on miRNAs has potential implications in the diagnosis and treatment of OA. Their different levels in peripheral blood and synovial fluid between OA patients and healthy population makes them candidates for being used as biomarkers of the disease, while targeting miRNAs may be a novel therapeutic strategy in OA.
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Affiliation(s)
- Panagiotis K Panagopoulos
- Postgraduate Program "Metabolic Bone Diseases", National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - George I Lambrou
- Postgraduate Program "Metabolic Bone Diseases", National and Kapodistrian University of Athens, Medical School, Athens, Greece.,First Department of Pediatrics, National and Kapodistrian University of Athens, Choremeio Research Laboratory, Athens, Greece
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28
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Guo Y, Min Z, Jiang C, Wang W, Yan J, Xu P, Xu K, Xu J, Sun M, Zhao Y, Hussain S, Zhang R, Wang Q, Han Y, Zhang F, Zhu W, Li D, Meng L, Sun J, Lu S. Downregulation of HS6ST2 by miR-23b-3p enhances matrix degradation through p38 MAPK pathway in osteoarthritis. Cell Death Dis 2018; 9:699. [PMID: 29899528 PMCID: PMC5999974 DOI: 10.1038/s41419-018-0729-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 05/01/2018] [Accepted: 05/22/2018] [Indexed: 12/18/2022]
Abstract
Osteoarthritis (OA) is the most common form of arthritis involving major structural changes of peripheral joints and local or systemic inflammation and in lack of therapeutic approaches because of complexity of underlying molecular basis. Our previous work showed that HS6ST2, an enzyme involved in the transfer of sulfate, is downregulated in cartilage tissues of OA patients compared with normal donors, but little is known about its regulatory mechanism. In this study, we demonstrated that the expression of HS6ST2 was lower in OA-damaged cartilage than smooth cartilage from the same patient. In chondrocytes, HS6ST2 could be targeted by miR-23b-3p, which was higher expressed in OA-damaged cartilage. Under TNF-α stimulation, the expression of HS6ST2 was found inversely correlated with the expression of miR-23b-3p. Downregulation of HS6ST2 regulated by overexpression of miR-23b-3p and siRNAs against HS6ST2 could enhance the protein level of MMP13 and aggravate the matrix degradation in chondrocytes. Increased expression of MMP13 depended on activity of p38 MAPK rather than total p38 MAPK level and was abrogated by HS6ST2 overexpression. Together, the results indicated that downregulated HS6ST2 targeted by miR-23b-3p promotes matrix degradation by activating p38 MAPK in chondrocytes and OA cartilage.
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Affiliation(s)
- Yuanxu Guo
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Zixin Min
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Congshan Jiang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Wei Wang
- Department of Child Health Care, Shaanxi Provincial People's Hospital, Shaanxi, 710068, Xi'an, China
| | - Jidong Yan
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710068, Xi'an, China
| | - Peng Xu
- Xi'an Hong Hui Hospital, the Affiliated Hospital of Xi'an Jiaotong University Health Science Center, 710054, Xi'an, China
| | - Ke Xu
- Xi'an Hong Hui Hospital, the Affiliated Hospital of Xi'an Jiaotong University Health Science Center, 710054, Xi'an, China
| | - Jing Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Mengyao Sun
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Yitong Zhao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Safdar Hussain
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Rui Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Quancheng Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Yan Han
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Fujun Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Wenhua Zhu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Dongmin Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Liesu Meng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China
| | - Jian Sun
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China.
| | - Shemin Lu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, China. .,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, 710061, Xi'an, China.
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29
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Wang A, Ren M, Song Y, Wang X, Wang Q, Yang Q, Liu H, Du Z, Zhang G, Wang J. MicroRNA Expression Profiling of Bone Marrow Mesenchymal Stem Cells in Steroid-Induced Osteonecrosis of the Femoral Head Associated with Osteogenesis. Med Sci Monit 2018; 24:1813-1825. [PMID: 29590087 PMCID: PMC5887684 DOI: 10.12659/msm.909655] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Steroid-induced osteonecrosis of the femoral head (SONFH) is a common orthopedic disease associated with the application of glucocorticoid (GC). In this study, we detected the microRNAs (miRNAs) differentially expressed in bone marrow mesenchymal stem cells (BMSCs) from SONFH patients, and target gene predictions were performed, and the functions of the target genes was verified. MATERIAL AND METHODS BMSCs collected from patients with SONFH and femoral neck fracture (FNF) constituted the SONFH group (n=3) and FNF (control) group (n=3), respectively. MiRNA microarray analysis was utilized to detect the differentially expressed miRNAs, and quantitative real-time polymerase chain reaction (qRT-PCR) was used to verify the microarray results. The target genes and functions of the differentially expressed miRNAs were analyzed using a bioinformatics database. RESULTS The microarray results revealed that compared with the control group, 22 miRNAs were identified differentially expressed in the SONFH group, with 17 upregulated and 5 downregulated. Further qRT-PCR validation of differentially expressed miRNAs confirmed that hsa-miR-601, hsa-miR-452-3p, hsa-miR-647, and hsa-miR-516b-5p were significantly increased, whereas hsa-miR-122-3p was significantly decreased. During osteogenic differentiation, hsa-miR-601, hsa-miR-452-3p, hsa-miR-647, hsa-miR-516b-5p, and hsa-miR-127-5p were significantly downregulated, whereas hsa-miR-122-3p was significantly upregulated, and miRNAs showed a converse tendency during adipogenic differentiation. CONCLUSIONS Six miRNAs associated with osteogenic and adipogenic differentiation were identified differentially expressed in the BMSCs of SONFH patients; these miRNAs may serve as novel biomarkers or therapeutic targets for SONFH.
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Affiliation(s)
- Ao Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Ming Ren
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Yang Song
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Xiaonan Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Qingyu Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Qiwei Yang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - He Liu
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Zhenwu Du
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Guizhen Zhang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Jincheng Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
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McAlinden A, Im GI. MicroRNAs in orthopaedic research: Disease associations, potential therapeutic applications, and perspectives. J Orthop Res 2018; 36:33-51. [PMID: 29194736 PMCID: PMC5840038 DOI: 10.1002/jor.23822] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 11/27/2017] [Indexed: 02/04/2023]
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that function to control many cellular processes by their ability to suppress expression of specific target genes. Tens to hundreds of target genes may be affected by one miRNA, thereby resulting in modulation of multiple pathways in any given cell type. Therefore, altered expression of miRNAs (i.e., during tissue development or in scenarios of disease or cellular stress) can have a profound impact on processes regulating cell differentiation, metabolism, proliferation, or apoptosis, for example. Over the past 5-10 years, thousands of reports have been published on miRNAs in cartilage and bone biology or disease, thus highlighting the significance of these non-coding RNAs in regulating skeletal development and homeostasis. For the purpose of this review, we will focus on miRNAs or miRNA families that have demonstrated function in vivo within the context of cartilage, bone or other orthopaedic-related tissues (excluding muscle). Specifically, we will discuss studies that have utilized miRNA transgenic mouse models or in vivo approaches to target a miRNA with the aim of altering conditions such as osteoarthritis, osteoporosis and bone fractures in rodents. We will not discuss miRNAs in the context skeletal cancers since this topic is worthy of a review of its own. Overall, we aim to provide a comprehensive description of where the field currently stands with respect to the therapeutic potential of specific miRNAs to treat orthopaedic conditions and current technologies to target and modify miRNA function in vivo. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:33-51, 2018.
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Affiliation(s)
- Audrey McAlinden
- Department of Orthopaedic Surgery, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, Missouri 63110
| | - Gun-Il Im
- Department of Orthopaedic Surgery, Dongguk University Ilsan Hospital, 814 Siksa-Dong, Goyang, Korea
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31
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Gu M, Zheng X. Osteopontin and vasculogenic mimicry formation are associated with response to neoadjuvant chemotherapy in advanced breast cancer. Onco Targets Ther 2017; 10:4121-4127. [PMID: 28860821 PMCID: PMC5571838 DOI: 10.2147/ott.s129414] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Introduction Osteopontin (OPN), a multifunctional phosphoprotein, has been implicated in a series of important physiologic and pathophysiologic processes. In breast cancer, OPN functionally contributes to the tumorigenicity of spheroid-forming cells. It also plays a critical role in enhancing the proliferation, tumorigenicity, and ability to display vasculogenic mimicry (VM) of spheroid-forming cells in breast cancer. However, the role of OPN in breast cancer is not clear. Patients and methods This study investigated OPN expression and VM in breast cancer patients before neoadjuvant chemotherapy (NACT). Their association with clinicopathologic factors was first analyzed by immunohistochemistry. Then, the response of breast cancer patients to NACT was evaluated. The correlation between the clinicopathologic factors, including the molecular subtype, and the response to NACT was analyzed. Results Immunohistochemical analysis showed positive staining of OPN in 40% of the breast cancer patients, whereas VM, which was related to tumor stage, was observed in 30% of cases. OPN expression was found to have a significant correlation with VM (P<0.05). The results also indicated that the clinicopathologic factors were not related to the response to NACT, including the molecular subtype. The multivariate analysis of clinicopathologic features correlated with pathological complete response (pCR) indicated that OPN(+)VM(+) was correlated with pCR (P<0.001). Conclusion Our findings underlined that the concurrence of OPN-positive expression and VM can predict the pCR to NACT in breast cancer. The efficiency of NACT in certain patients can be easily predicted by detecting the expression of OPN and VM.
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Affiliation(s)
- Ming Gu
- Department of Breast Surgery.,Department of Surgical Oncology, Research Unit of General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Xinyu Zheng
- Department of Breast Surgery.,Department of Surgical Oncology, Research Unit of General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, People's Republic of China
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Abstract
PURPOSE OF REVIEW Osteogenesis is a complex process involving the specification of multiple progenitor cells and their maturation and differentiation into matrix-secreting osteoblasts. Osteogenesis occurs not only during embryogenesis but also during growth, after an injury, and in normal homeostatic maintenance. While much is known about osteogenesis-associated regulatory genes, the role of microRNAs (miRNAs), which are epigenetic regulators of protein expression, is just beginning to be explored. While miRNAs do not abrogate all protein expression, their purpose is to finely tune it, allowing for a timely and temporary protein down-regulation. RECENT FINDINGS The last decade has unveiled a multitude of miRNAs that regulate key proteins within the osteogenic lineage, thus qualifying them as "ostemiRs." These miRNAs may endogenously target an activator or inhibitor of differentiation, and depending on the target, may either lead to the prolongation of a progenitor maintenance state or to early differentiation. Interestingly, cellular identity seems intimately coupled to the expression of miRNAs, which participate in the suppression of previous and subsequent differentiation steps. In such cases where key osteogenic proteins were identified as direct targets of miRNAs in non-bone cell types, or through bioinformatic prediction, future research illuminating the activity of these miRNAs during osteogenesis will be extremely valuable. Many bone-related diseases involve the dysregulation of transcription factors or other proteins found within osteoblasts and their progenitors, and the dysregulation of miRNAs, which target such factors, may play a pivotal role in disease etiology, or even as a possible therapy.
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Affiliation(s)
- Steven R Sera
- Department of Cell Biology and Neuroscience and Stem Cell Center, College of Natural and Agricultural Sciences, University of California Riverside, 1113 Biological Sciences Building, Riverside, CA, 92521, USA
| | - Nicole I Zur Nieden
- Department of Cell Biology and Neuroscience and Stem Cell Center, College of Natural and Agricultural Sciences, University of California Riverside, 1113 Biological Sciences Building, Riverside, CA, 92521, USA.
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Wei R, Wong JPC, Kwok HF. Osteopontin -- a promising biomarker for cancer therapy. J Cancer 2017; 8:2173-2183. [PMID: 28819419 PMCID: PMC5560134 DOI: 10.7150/jca.20480] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Accepted: 06/04/2017] [Indexed: 12/26/2022] Open
Abstract
Osteopontin (OPN), a multifunctional protein, has emerged as a potentially valuable biomarker for diagnosing and treating cancers. Recent research focuses on its involvement in tumor biology including the cell proliferation, survival, angiogenesis, invasion, and metastasis. Understanding the molecular mechanisms and pharmacological effects of OPN in cancer development could lead to new targets for improving cancer diagnosis and treatment. This review explains how the structurally conserved domains of OPN are associated with OPN signaling mediators and CD44, and how the conserved OPN domains determine biological functions. The authors have reviewed representative works of OPN expression in breast cancer and colorectal cancer to elucidate the relationship between OPN and cancer/tumor biology. It has also been shown that the prognostic sensitivity in non-small cell lung cancer, hepatocellular carcinoma, gastric cancer, and ovarian cancer improved compared to the individual marker when OPN was analyzed in conjunction with other markers. The therapeutic approaches based on OPN inhibitors are discussed to illustrate recent research progress. Previous clinical data has indicated that OPN has played a unique role in cancer development, but further investigation is required to understand the underlying mechanism. More clinical trials are also required to examine the applicability and efficacy of OPN inhibitors in cancer therapy.
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Affiliation(s)
- Ran Wei
- Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau
| | - Janet Pik Ching Wong
- Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau
| | - Hang Fai Kwok
- Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau
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Liang J, Xu L, Zhou F, Liu AM, Ge HX, Chen YY, Tu M. MALAT1/miR-127-5p Regulates Osteopontin (OPN)-Mediated Proliferation of Human Chondrocytes Through PI3K/Akt Pathway. J Cell Biochem 2017; 119:431-439. [PMID: 28590075 DOI: 10.1002/jcb.26200] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 06/06/2017] [Indexed: 01/10/2023]
Abstract
Osteoarthritis (OA) is characterized by progressive destruction of articular cartilage, resulting in significant disability. Chondrocytes present in various types of cartilage and are responsible for the growth and maintenance of the tissue. Over-proliferation of human chondrocytes may contributes to OA pathological process. Previously, we revealed that miR-127-5p could inhibit the proliferation of human chondrocytes through osteopontin (OPN). In the present study, we used online tools to figure out several candidates lncRNAs which were potentially correlated with miR-127-5p. Through assessing the expression levels of the candidates lncRNAs, metastasis associated lung adenocarcinoma transcript 1 (MALAT1) was chosen as a further research subject. MALAT1 knockdown significantly repressed human OA chondrocyte proliferation, as well as the protein levels of OPN, p-PI3K, and p-Akt in OA chondrocytes. As verified by luciferase assays, MALAT1 directly bound to miR-127-5p to inhibit miR-127-5p expression. Then we achieved miR-127-5p inhibition through miR-127-5p inhibitor transfection; the miR-127-5p inhibition could promote chondrocyte proliferation, as well as the protein levels of OPN, p-PI3K, and p-Akt; in addition, the MALAT1 knockdown partially reversed the promotive effect of miR-127-5p inhibition on chondrocyte proliferation, OPN and PI3K/Akt signaling-related protein levels. Taken together, MALAT1 could directly bind to miR-127-5p to inhibit its expression, so as to rescue OPN expression and promote chondrocyte proliferation through PI3K/Akt pathway. Targeting MALAT1 so as to rescue miR-127-5p expression in OA might help to inhibit chondrocyte proliferation through miR-127-5p-mediated OPN regulation and downstream PI3K/Akt pathway. J. Cell. Biochem. 119: 431-439, 2018. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Jun Liang
- Department of Orthopedics, Second People's Hospital of Jingmen, Jingmen 448000, China
| | - Li Xu
- Department of Orthopedics, Second People's Hospital of Jingmen, Jingmen 448000, China
| | - Feng Zhou
- Department of Orthopedics, Second People's Hospital of Jingmen, Jingmen 448000, China
| | - An-Min Liu
- Department of Orthopedics, Second People's Hospital of Jingmen, Jingmen 448000, China
| | - Hong-Xing Ge
- Department of Orthopedics, Second People's Hospital of Jingmen, Jingmen 448000, China
| | - Yuan-Yuan Chen
- Department of Orthopedics, Second People's Hospital of Jingmen, Jingmen 448000, China
| | - Min Tu
- Department of Orthopedics, Second People's Hospital of Jingmen, Jingmen 448000, China
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D'Adamo S, Cetrullo S, Minguzzi M, Silvestri Y, Borzì RM, Flamigni F. MicroRNAs and Autophagy: Fine Players in the Control of Chondrocyte Homeostatic Activities in Osteoarthritis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:3720128. [PMID: 28713485 PMCID: PMC5497632 DOI: 10.1155/2017/3720128] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 05/12/2017] [Accepted: 05/22/2017] [Indexed: 12/17/2022]
Abstract
Osteoarthritis (OA) is a debilitating degenerative disease of the articular cartilage with a multifactorial etiology. Aging, the main risk factor for OA development, is associated with a systemic oxidative and inflammatory phenotype. Autophagy is a central housekeeping system that plays an antiaging role by supporting the clearance of senescence-associated alterations of macromolecules and organelles. Autophagy deficiency has been related to OA pathogenesis because of the accumulation of cellular defects in chondrocytes. Microribonucleic acids (microRNAs or miRs) are a well-established class of posttranscriptional modulators belonging to the family of noncoding RNAs that have been identified as key players in the regulation of cellular processes, such as autophagy, by targeting their own cognate mRNAs. Here, we present a state-of-the-art literature review on the role of miRs and autophagy in the scenario of OA pathogenesis. In addition, a comprehensive survey has been performed on the functional connections of the miR network and the autophagy pathway in OA by using "microRNA," "autophagy," and "osteoarthritis" as key words. Discussion of available evidence sheds light on some aspects that need further investigation in order to reach a more comprehensive view of the potential of this topic in OA.
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Affiliation(s)
- Stefania D'Adamo
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy
| | - Silvia Cetrullo
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy
| | - Manuela Minguzzi
- Dipartimento di Scienze Mediche e Chirurgiche, Università di Bologna, Bologna, Italy
- Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Ylenia Silvestri
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy
| | - Rosa Maria Borzì
- Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Flavio Flamigni
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy
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Hua WB, Wu XH, Zhang YK, Song Y, Tu J, Kang L, Zhao KC, Li S, Wang K, Liu W, Shao ZW, Yang SH, Yang C. Dysregulated miR-127-5p contributes to type II collagen degradation by targeting matrix metalloproteinase-13 in human intervertebral disc degeneration. Biochimie 2017; 139:74-80. [PMID: 28559201 DOI: 10.1016/j.biochi.2017.05.018] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 05/25/2017] [Indexed: 12/31/2022]
Abstract
BACKGROUND Intervertebral disc degeneration (IDD) is a chronic disease associated with the degradation of extracellular matrix (ECM). Matrix metalloproteinase (MMP)-13 is a major enzyme that mediates the degradation of ECM components. MMP-13 has been predicted to be a potential target of miR-127-5p. However, the exact function of miR-127-5p in IDD is still unclear. OBJECTIVE We designed this study to evaluate the correlation between miR-127-5p level and the degeneration of human intervertebral discs and explore the potential mechanisms. METHODS miR-127-5p levels and MMP-13 mRNA levels were detected by quantitative real-time polymerase chain reaction (qPCR). To determine whether MMP-13 is a target of miR-127-5p, dual luciferase reporter assays were performed. miR-127-5p mimic and miR-127-5p inhibitor were used to overexpress or downregulate miR-127-5p expression in human NP cells, respectively. Small interfering RNA (siRNA) was used to knock down MMP-13 expression in human NP cells. Type II collagen expression in human NP cells was detected by qPCR, western blotting, and immunofluorescence staining. RESULTS We confirmed that miR-127-5p was significantly downregulated in nucleus pulposus (NP) tissue of degenerative discs and its expression was inversely correlated with MMP-13 mRNA levels. We reveal that MMP-13 may act as a target of miR-127-5p. Expression of miR-127-5p was inversely correlated with type II collagen expression in human NP cells. Moreover, suppression of MMP-13 expression by siRNA blocked downstream signaling and increased type II collagen expression. CONCLUSION Dysregulated miR-127-5p contributed to the degradation of type II collagen by targeting MMP-13 in human IDD. Our findings highlight that miR-127-5p may serve as a new therapeutic target in IDD.
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Affiliation(s)
- Wen-Bin Hua
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Xing-Huo Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Yu-Kun Zhang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Yu Song
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Ji Tu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Liang Kang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Kang-Cheng Zhao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Shuai Li
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Kun Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Wei Liu
- Department of Orthopaedics, Wuhan No.1 Hospital, 215 Zhongshan Avenue, Wuhan 430022, China
| | - Zeng-Wu Shao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Shu-Hua Yang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Cao Yang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China.
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Wang Q, Wang W, Zhang F, Deng Y, Long Z. NEAT1/miR-181c Regulates Osteopontin (OPN)-Mediated Synoviocyte Proliferation in Osteoarthritis. J Cell Biochem 2017; 118:3775-3784. [PMID: 28379604 DOI: 10.1002/jcb.26025] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Accepted: 03/30/2017] [Indexed: 01/21/2023]
Abstract
Osteoarthritis (OA) is characterized by progressive destruction of articular cartilage, resulting in significant disability. Inflammatory cytokines commonly initiate the extreme changes in the synovium and cartilage microenvironment of the OA patients, subsequently resulting in cell dysfunctions, especially synoviocyte dysfunction. We revealed that the expression of osteopontin (OPN), which has been reported to regulate expression of various inflammatory factors associating with the pathogenesis of OA including matrix metalloprotease 13 (MMP13), interlukine-6 and 8 (IL-6 and IL-8), is significantly upregulated in OA tissues. In the present study, online tools were used to screen out the candidate miRNAs of OPN. Among the candidate miRNAs, miR-181c inhibited OPN mRNA expression the most strongly. Ectopic expression of miR-181c significantly repressed synoviocyte proliferation, as well as the levels of OPN, MMP13, IL-6, and IL-8. Further, the candidate lncRNAs of miR-181c were screened out by using DianaTools; among which NEAT1 showed to inversely regulate miR-181c. By performing Luciferase assays, we revealed that NEAT1 competed with OPN for miR-181c binding. After NEAT1 knockdown, MMP13, IL-6, and IL-8 expression was reduced; the synoviocyte proliferation was repressed, as well as OPN protein levels; the suppressive effect of NETA1 knockdown on synoviocyte proliferation and the indicated factors were partially reversed by miR-181c inhibition. In OA tissues, OPN mRNA, and NEAT1 expression was upregulated, whereas miR-181c expression was downregulated, indicating that targeting NEAT1 to rescue miR-181c expression so as to inhibit OPN expression and synoviocyte proliferation might be an efficient strategy for OA treatment. J. Cell. Biochem. 118: 3775-3784, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Qiyuan Wang
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Emergency Medicine and Difficult Diseases Institute, Central South University, Changsha, Hunan, China
| | - Wanchun Wang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fan Zhang
- Department of Neonatology, The Hunan Children's Hospital, Changsha, Hunan, China
| | - Youwen Deng
- Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Emergency Medicine and Difficult Diseases Institute, Central South University, Changsha, Hunan, China
| | - Zeling Long
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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van Meurs JBJ. Osteoarthritis year in review 2016: genetics, genomics and epigenetics. Osteoarthritis Cartilage 2017; 25:181-189. [PMID: 28100422 DOI: 10.1016/j.joca.2016.11.011] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 10/20/2016] [Accepted: 11/02/2016] [Indexed: 02/02/2023]
Abstract
The purpose of this narrative review is to provide an overview of last year's publications in the field of genetics, genomics and epigenetics in the osteoarthritis (OA) field. Major themes arising from a Pubmed search on (epi)genetics in OA were identified. In addition, general developments in the fast evolving field of (epi)genetics are reviewed and relevance for the OA field is summarized. In the last 5 years, a number of genome-wide association studies have identified a modest number of genetic loci associated to OA. Continued functional research into these DNA variants is showing putative biological mechanisms underlying these associations. Over the last year, no additional large genome-wide association studies were published, but there clearly remains much to be discovered in the OA genetic field. A lot of research has been done into the epigenetics of OA over the last year. Several genome-wide screens examining the methylome of osteoarthritic cartilage were done. Pathway analysis confirmed deregulation of developmental and extracellular pathways in OA cartilage. Over the last year many microRNAs (miRNAs) have been identified that potentially play important roles in cartilage homeostasis and/or OA process. Continued research will learn whether these identified miRNAs are truly causal and can be used in clinical applications. Many of the epigenetic findings need further confirmation, but they highlight potential novel pathways involved in cartilage biology and OA.
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Affiliation(s)
- J B J van Meurs
- Department of Internal Medicine, Erasmus MC, 's-Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands.
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40
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Li J, Bao X, Li Y, Wang Y, Zhao Z, Jin X. Study of the functional mechanisms of osteopontin and chemokine-like factor 1 in the development and progression of abdominal aortic aneurysms in rats. Exp Ther Med 2016; 12:4007-4011. [PMID: 28101179 PMCID: PMC5228271 DOI: 10.3892/etm.2016.3891] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 11/04/2016] [Indexed: 12/16/2022] Open
Abstract
The aim of the study was to investigate the functional mechanisms of osteopontin (Opn) and chemokine-like factor 1 (Cklf1) during the development and progression of abdominal aortic aneurysms (AAA) in rats. Healthy adult Sprague-Dawley rats (n=30) were randomly divided into the AAA, control and sham groups (10 rats/group) and experimental rat models of AAA were generated by enzyme perfusion in abdominal aorta for 30 min. The AAA formation was assessed by measuring the aortal diameter and hematoxylin and eosin staining as well as specific staining to detect the structural changes of the aorta and inflammatory cell infiltration. Immunohistochemistry, western blot analysis and statistical analysis were also performed to examine the expression levels of Opn, Cklf1 and matrix metalloproteinase (MMP)-2 in the arterial tissue. Rat models of AAA were successfully established by protease perfusion. After perfusion, the diameter expansion rate of abdominal aorta was significantly higher (P<0.01) compared to controls, elastin present at the middle layer was significantly reduced and inflammatory cell infiltration was significantly higher in AAA rats. The expression of Opn, Cklf1 and MMP-2 in the AAA group was significantly increased compared to the control group (P<0.05) as revealed by immunohistochemical staining. The western blot analysis revealed that, the expression levels of Opn, Cklf1 and MMP-2 in the AAA group were significantly higher than the sham and control groups (P<0.01). We also found that the expression of Opn and MMP-2 was positively correlated. In conclusion, in rat models of AAA, Opn and Cklf1 function synergistically to upregulate the expression of MMP-2, causing accelerated degradation of extracellular matrix and eventually leading to the development and progression of AAA.
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Affiliation(s)
- Jun Li
- Department of Vascular Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong 250021, P.R. China; Department of Vascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Xia Bao
- Department of Vascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Yongxin Li
- Department of Vascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Yuewei Wang
- Department of Vascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Zonggang Zhao
- Department of Vascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Xing Jin
- Department of Vascular Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong 250021, P.R. China
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