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Xiao Y, Liu C, Fu Y, Zhong G, Guan X, Li W, Wang C, Hong S, Fu M, Zhou Y, You Y, Wu T, Zhang X, He M, Li Y, Guo H. Mediation of association between benzo[a]pyrene exposure and lung cancer risk by plasma microRNAs: A Chinese case-control study. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 271:115980. [PMID: 38262095 DOI: 10.1016/j.ecoenv.2024.115980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/17/2023] [Accepted: 01/11/2024] [Indexed: 01/25/2024]
Abstract
Epidemiologic studies have reported the positive relationship of benzo[a]pyrene (BaP) exposure with the risk of lung cancer. However, the mechanisms underlying the relationship is still unclear. Plasma microRNA (miRNA) is a typical epigenetic biomarker that was linked to environment exposure and lung cancer development. We aimed to reveal the mediation effect of plasma miRNAs on BaP-related lung cancer. We designed a lung cancer case-control study including 136 lung cancer patients and 136 controls, and measured the adducts of benzo[a]pyrene diol epoxide-albumin (BPDE-Alb) and sequenced miRNA profiles in plasma. The relationships between BPDE-Alb adducts, normalized miRNA levels and the risk of lung cancer were assessed by linear regression models. The mediation effects of miRNAs on BaP-related lung cancer were investigated. A total of 190 plasma miRNAs were significantly related to lung cancer status at Bonferroni adjusted P < 0.05, among which 57 miRNAs showed different levels with |fold change| > 2 between plasma samples before and after tumor resection surgery at Bonferroni adjusted P < 0.05. Especially, among the 57 lung cancer-associated miRNAs, BPDE-Alb adducts were significantly related to miR-17-3p, miR-20a-3p, miR-135a-5p, miR-374a-5p, miR-374b-5p, miR-423-5p and miR-664a-5p, which could in turn mediate a separate 42.2%, 33.0%, 57.5%, 36.4%, 48.8%, 32.5% and 38.2% of the relationship of BPDE-Alb adducts with the risk of lung cancer. Our results provide non-invasion biomarker candidates for lung cancer, and highlight miRNAs dysregulation as a potential intermediate mechanism by which BaP exposure lead to lung tumorigenesis.
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Affiliation(s)
- Yang Xiao
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chenliang Liu
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ye Fu
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Guorong Zhong
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xin Guan
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wending Li
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chenming Wang
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shiru Hong
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ming Fu
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuhan Zhou
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yingqian You
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tianhao Wu
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaomin Zhang
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meian He
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yangkai Li
- Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Huan Guo
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Botor M, Auguściak-Duma A, Lesiak M, Sieroń Ł, Dziedzic-Kowalska A, Witecka J, Asman M, Madetko-Talowska A, Bik-Multanowski M, Galicka A, Sieroń AL, Gawron K. Analysis of miRNAs in Osteogenesis imperfecta Caused by Mutations in COL1A1 and COL1A2: Insights into Molecular Mechanisms and Potential Therapeutic Targets. Pharmaceuticals (Basel) 2023; 16:1414. [PMID: 37895885 PMCID: PMC10609877 DOI: 10.3390/ph16101414] [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: 09/11/2023] [Revised: 09/29/2023] [Accepted: 10/01/2023] [Indexed: 10/29/2023] Open
Abstract
Osteogenesis imperfecta (OI) is a group of connective tissue disorders leading to abnormal bone formation, mainly due to mutations in genes encoding collagen type I (Col I). Osteogenesis is regulated by a number of molecules, including microRNAs (miRNAs), indicating their potential as targets for OI therapy. The goal of this study was to identify and analyze the expression profiles of miRNAs involved in bone extracellular matrix (ECM) regulation in patients diagnosed with OI type I caused by mutations in COL1A1 or COL1A2. Primary skin fibroblast cultures were used for DNA purification and sequence analysis, followed by analysis of miRNA expression. Sequencing analysis revealed mutations of the COL1A1 or COL1A2 genes in all OI patients, including four previously unreported. Amongst the 40 miRNAs analyzed, 9 were identified exclusively in OI cells and 26 in both OI patients and the controls. In the latter case, the expression of six miRNAs (hsa-miR-10b-5p, hsa-miR-19a-3p, hsa-miR-19b-3p, has-miR-204-5p, has-miR-216a-5p, and hsa-miR-449a) increased, while four (hsa-miR-129-5p, hsa-miR-199b-5p, hsa-miR-664a-5p, and hsa-miR-30a-5p) decreased significantly in OI cells in comparison to their expression in the control cells. The identified mutations and miRNA expression profiles shed light on the intricate processes governing bone formation and ECM regulation, paving the way for further research and potential therapeutic advancements in OI and other genetic diseases related to bone abnormality management.
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Affiliation(s)
- Malwina Botor
- Department of Molecular Biology and Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland; (A.A.-D.); (M.L.); (Ł.S.); (A.L.S.)
| | - Aleksandra Auguściak-Duma
- Department of Molecular Biology and Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland; (A.A.-D.); (M.L.); (Ł.S.); (A.L.S.)
| | - Marta Lesiak
- Department of Molecular Biology and Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland; (A.A.-D.); (M.L.); (Ł.S.); (A.L.S.)
| | - Łukasz Sieroń
- Department of Molecular Biology and Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland; (A.A.-D.); (M.L.); (Ł.S.); (A.L.S.)
| | - Agata Dziedzic-Kowalska
- Department of Molecular Biology and Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland; (A.A.-D.); (M.L.); (Ł.S.); (A.L.S.)
| | - Joanna Witecka
- Department of Parasitology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 41-200 Sosnowiec, Poland;
| | - Marek Asman
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 41-808 Zabrze, Poland;
| | - Anna Madetko-Talowska
- Department of Medical Genetics, Jagiellonian University Medical College, 30-663 Krakow, Poland; (A.M.-T.); (M.B.-M.)
| | - Mirosław Bik-Multanowski
- Department of Medical Genetics, Jagiellonian University Medical College, 30-663 Krakow, Poland; (A.M.-T.); (M.B.-M.)
| | - Anna Galicka
- Department of Medical Chemistry, Medical University of Bialystok, 15-222 Bialystok, Poland;
| | - Aleksander L. Sieroń
- Department of Molecular Biology and Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland; (A.A.-D.); (M.L.); (Ł.S.); (A.L.S.)
| | - Katarzyna Gawron
- Department of Molecular Biology and Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-055 Katowice, Poland; (A.A.-D.); (M.L.); (Ł.S.); (A.L.S.)
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Chen S, Xu Y, Yang B. CircUSP48 promotes malignant behavior by regulating CYR61 via miR-365 in osteosarcoma. Funct Integr Genomics 2023; 23:270. [PMID: 37553503 DOI: 10.1007/s10142-023-01197-8] [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: 03/16/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/10/2023]
Abstract
Even though circular RNAs (circRNAs), a class of non-coding endogenous RNA, play a crucial role in the progression of osteosarcoma (OS), the specific function of hsa_circ_0000028 (circUSP48) remains unclear. This study aims to elucidate the mechanism by which circUSP48 regulates OS. We employed qRT-PCR and western blot techniques to quantify circDOCK1, miR-186, and DNMT3A levels. Cell proliferation was assessed using the cell counting kit-8 (CCK-8), 5-Ethynyl-20-deoxyuridine (EdU) assay, and colony formation assay. Cell migration and invasion were evaluated through Transwell and cell scratch assays. Furthermore, we performed dual-luciferase reporter, RIP, and RNA pull-down assays to investigate the association between circUSP48, miR-365, and CYR61. In addition, an in vivo xenograft model was utilized to assess the functional role of circUSP48. High levels of circUSP48 and CYR61 were observed in OS tissues and cells, while miR-365 levels were low. Knockdown of circUSP48 suppressed the multiplication, motility, and invasion of OS cells, thereby reducing carcinoma growth. Moreover, inhibition of miR-365 reversed the OS cell-suppressive effect caused by circUSP48 knockdown through direct interaction with circUSP48. Additionally, circUSP48 upregulated the expression of CYR61 by sponging miR-365. The findings suggest that circUSP48 promotes malignant behavior in OS by regulating the expression of CYR61 through miR-365, making it a potential therapeutic target for OS.
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Affiliation(s)
- Shunguang Chen
- Department of Orthopedics, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, 434000, China.
| | - Yan Xu
- Department of Orthopedics, Gong An Country People's Hospital, Jingzhou, 434050, China
| | - Bo Yang
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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Zhu D, Qi H, Zhu H. hsa-miR-199b-3p suppresses osteosarcoma progression by targeting CCDC88A, inhibiting epithelial-to-mesenchymal transition, and Wnt/beta-catenin signaling pathway. Sci Rep 2023; 13:12544. [PMID: 37532779 PMCID: PMC10397339 DOI: 10.1038/s41598-023-39537-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 07/26/2023] [Indexed: 08/04/2023] Open
Abstract
The present study investigated microRNA (miR)-199b-3p expression in osteosarcoma (OS) and aimed to identify its potential mechanism of action contributing to the development of this disease. Firstly, miR-199b-3p and coiled-coil domain containing 88A (CCDC88A) expression data were evaluated from Gene Expression Profiling Interactive Analysis and Kaplan Meier plotter was used to assess the survival data. By analyzing the GSE65071 dataset from gene expression omnibus, it was found that miR-199b-3p was expressed at a low level. By using reverse transcription-quantitative PCR analysis in OS cells and tissues, CCDC88A was found to be expressed at a high level. Moreover, TargetScan predicted CCDC88A to be a downstream target of miR-199b-3p. Luciferase reporter assays were used to verify this prediction. In vitro overexpression of miR-199b-3p decreased the invasive and proliferative activity of OS cells. Mechanistic studies indicated that decreased miR-199b-3p resulted in increased expression of CCDC88A. Concomitantly, it impeded the Wnt/beta-catenin pathway and the epithelial-to-mesenchymal transition process. Overall, the results of the present study emphasized the pivotal role of the miR-199b-3p in the formation and progression of OS, suggesting that it could be used as a potential tumor biomarker.
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Affiliation(s)
- Dongsheng Zhu
- Department of Pediatric Surgery, The First People's Hospital of Lianyungang, 182 Tongguan North Road, Lianyungang, 222000, Jiangsu, People's Republic of China.
| | - Han Qi
- Department of Emergency Surgery, The Second People's Hospital of Lianyungang, 41 Hailian East Road, Lianyungang, 222000, Jiangsu, People's Republic of China.
| | - Hongqi Zhu
- Department of Pediatric Surgery, The First People's Hospital of Lianyungang, 182 Tongguan North Road, Lianyungang, 222000, Jiangsu, People's Republic of China
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Xu J, Wang X, Zhu C, Wang K. A review of current evidence about lncRNA MEG3: A tumor suppressor in multiple cancers. Front Cell Dev Biol 2022; 10:997633. [PMID: 36544907 PMCID: PMC9760833 DOI: 10.3389/fcell.2022.997633] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 11/22/2022] [Indexed: 12/12/2022] Open
Abstract
Long non-coding RNA (lncRNA) maternally expressed gene 3 (MEG3) is a lncRNA located at the DLK1-MEG3 site of human chromosome 14q32.3. The expression of MEG3 in various tumors is substantially lower than that in normal adjacent tissues, and deletion of MEG3 expression is involved in the occurrence of many tumors. The high expression of MEG3 could inhibit the occurrence and development of tumors through several mechanisms, which has become a research hotspot in recent years. As a member of tumor suppressor lncRNAs, MEG3 is expected to be a new target for tumor diagnosis and treatment. This review discusses the molecular mechanisms of MEG3 in different tumors and future challenges for the diagnosis and treatment of cancers through MEG3.
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Affiliation(s)
- Jie Xu
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xia Wang
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Chunming Zhu
- Department of Family Medicine, Shengjing Hospital of China Medical University, Shenyang, China,*Correspondence: Chunming Zhu, ; Kefeng Wang,
| | - Kefeng Wang
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, China,*Correspondence: Chunming Zhu, ; Kefeng Wang,
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Altan Z, Sahin Y. miR-203 suppresses pancreatic cancer cell proliferation and migration by modulating DUSP5 expression. Mol Cell Probes 2022; 66:101866. [PMID: 36183924 DOI: 10.1016/j.mcp.2022.101866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 09/04/2022] [Accepted: 09/20/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Pancreatic cancer (PC) is an insidious cancer that is commonly diagnosed in advanced stages. Therefore, it is necessary to understand PC-related mechanisms in order to discover new and reliable diagnostic biomarkers. It is known that miRNAs play a crucial role in carcinogenesis by targeting mRNAs. In this study we aimed to explore interaction between downregulated miR-203 and its upregulated target DUSP5 in PC. METHODS Using bioinformatics approaches we identified the DUSP5 as a direct target gene of miR-203 and detected potential binding sites between miR-203 and DUSP5. Additionally, we evaluated subcellular location, expression level and prognostic value of DUSP5 in PC through using various bioinformatics tools. To investigate the relationship between miR-203 and DUSP5, we increased the expression levels of miR-203 by transfecting miR-203 mimics into the pancreatic cancer cell line, PANC-1. Finally, MTT, wound healing, and colony formation assays were performed to determine effect of overexpressed miR-203 on proliferation and migration of PANC-1 cells. RESULTS We found that expression level of DUSP5 in pancreas tissue was one of the lowest tissue expression among all normal human tissue types. In addition, DUSP5 expression was upregulated both PC tissues and cell line and associated with poor overall survival in PC. Overexpression of miR-203 significantly downregulated expression level of DUSP5 and remarkably suppressed proliferation, migration and colony formation ability of PANC-1 cells. CONCLUSIONS These findings suggest that miR-203 restrains proliferation and migration of PC cells by regulating oncogenic activity of DUSP5 in PC, thereby could be novel candidate biomarkers for PC diagnosis and treatment.
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Affiliation(s)
- Zekiye Altan
- Department of Medical Biology, Faculty of Medicine, Gaziantep University, Gaziantep, Turkey.
| | - Yunus Sahin
- Department of Medical Biology, Faculty of Medicine, Gaziantep University, Gaziantep, Turkey.
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Tu C, Wei L, Wang L, Tang Y. Eight Differential miRNAs in DN Identified by Microarray Analysis as Novel Biomarkers. Diabetes Metab Syndr Obes 2022; 15:907-920. [PMID: 35359345 PMCID: PMC8961165 DOI: 10.2147/dmso.s355783] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 03/11/2022] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Diabetic nephropathy (DN) is the common cause of renal diseases such as end-stage renal disease (ESRD) and chronic kidney disease (CKD). Various diagnostic applications and treatment methods are used for clinical but remain some prognosis issues. To avoid morbidity and mortality related to DN, early detection of disease complications as well as targeted therapeutic strategies is essential. Considerable evidence indicates that non-coding RNA plays a vital role in the biological processes of various diseases, used as biomarkers and therapeutic targets. And the most known ncRNAs are the microRNAs (miRNAs), long noncoding RNAs (lncRNAs), and circular RNAs (circRNAs). MATERIALS AND METHODS Our study aimed to identify potential prognostic ncRNAs involved in DN by bioinformatics analysis and validated expression levels through quantitative polymerase chain reaction (qPCR) and GEO database. Our research focuses on differential expression miRNAs (DEmiRNAs) in DN and their interactions with critical genes. RESULTS We identified 8 up-regulated DEmiRNAs, including miR-103a-2-5p, miR-297, miR-548x-3p, miR-604, miR-644a, miR-1256, miR-3911 and miR-5047 finally. We further validated these miRNAs in a murine model. CONCLUSION Identifying these up-regulated genes and elucidating these miRNAs regulatory network will contribute to a better understanding of the molecular mechanism of DN and how they can be used as new biomarkers and potential therapeutic targets for DN.
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Affiliation(s)
- Chao Tu
- Department of Internal Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, People’s Republic of China
| | - Lan Wei
- Department of Internal Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, People’s Republic of China
| | - Liangzhi Wang
- Department of Internal Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, People’s Republic of China
| | - Ying Tang
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, 213000, People’s Republic of China
- Correspondence: Ying Tang, Department of Rehabilitation Medicine, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, Jiangsu, 213000, People’s Republic of China, Tel +86 0519 68872146, Email
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Parlayan C, Sahin Y, Altan Z, Arman K, Ikeda MA, Saadat KASM. ARID3A regulates autophagy related gene BECN1 expression and inhibits proliferation of osteosarcoma cells. Biochem Biophys Res Commun 2021; 585:89-95. [PMID: 34801937 DOI: 10.1016/j.bbrc.2021.11.035] [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: 09/27/2021] [Accepted: 11/10/2021] [Indexed: 10/19/2022]
Abstract
Osteosarcoma (OS) is the most common primary malignant bone tumor which has unclear pathobiology. Hence, enlightening the exact molecular mechanism underlying osteosarcoma progression is crucial for developing new treatment strategies. One member of the ARID family of DNA binding proteins is ARID3A that is implicated in osteosarcoma pathogenesis. ARID3A could bind E2F1 and regulate the transcription of E2F1 targets. At the same time, BECN1 is a well-characterized autophagy regulator gene that is a direct target of E2F1. The present study aimed to investigate the effect of ARID3A on the expression of BECN1 in osteosarcoma cells. First, we determined gene expression levels of ARID3A, BECN1, and E2F1 in U-2 OS by qPCR and confirmed with online datasets from GEO database. In addition, the prognostic value of these genes was also evaluated from Kaplan-Meier plotter database. Next, ARID3A was overexpressed and silenced in order to investigate the effect of ARID3A on BECN1 expression and proliferation of U-2 OS cells. Our results demonstrated that BECN1 was negatively correlated with E2F1 and positively correlated with ARID3A based on initial expression and prognostic effect in OS. Overexpression of ARID3A upregulated BECN1 while silenced ARID3A downregulated BECN1 expression in U-2 OS cells. Additionally, silencing of ARID3A promoted colony formation and proliferation, whereas overexpression of ARID3A suppressed colony formation and proliferation of U-2 OS cells. Taken together, these results indicate that ARID3A could function as tumor suppressor and affect the expression level of BECN1 in U-2 OS cells.
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Affiliation(s)
- Cuneyd Parlayan
- Department of Biostatistics and Medical Informatics, School of Medicine, Bahcesehir University, Istanbul, Turkey.
| | - Yunus Sahin
- Department of Medical Biology, Faculty of Medicine, Institute of Health Sciences, Gaziantep University, Gaziantep, Turkey.
| | - Zekiye Altan
- Department of Medical Biology, Faculty of Medicine, Institute of Health Sciences, Gaziantep University, Gaziantep, Turkey.
| | - Kaifee Arman
- Institut de Recherches Cliniques de Montreal (IRCM), Montreal, H2W1R7, QC, Canada; Division of Experimental Medicine, McGill University, Montreal, QC, Canada.
| | - Masa-Aki Ikeda
- Department of Molecular Craniofacial Embryology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.
| | - Khandakar A S M Saadat
- Department of Medical Biology, Faculty of Medicine, Institute of Health Sciences, Gaziantep University, Gaziantep, Turkey.
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Xu X, Zhong Z, Shao Y, Yi Y. Prognostic Value of MEG3 and Its Correlation With Immune Infiltrates in Gliomas. Front Genet 2021; 12:679097. [PMID: 34220951 PMCID: PMC8242350 DOI: 10.3389/fgene.2021.679097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 05/10/2021] [Indexed: 12/24/2022] Open
Abstract
Accumulating evidence has revealed that dysregulated lncRNA expression contributes to the onset and progression of cancer. However, the mechanistic role of lncRNA in glioma progression and tumor immunology remains largely unknown. This study aimed to evaluate the significance of maternally expressed gene 3 (MEG3) in the prognosis of and its immune-related roles in gliomas. The expression levels of MEG3 were analyzed using Oncomine and TIMER database. As an important imprinted gene, the copy number variation (CNV) of MEG3 in both glioblastoma multiforme (GBM) and low-grade glioma (LGG) were analyzed using GSCALite database, whereas its prognostic significance was assessed using PrognoScan and GEPIA databases. The relationship between MEG3 and tumor-infiltrated immune cells was analyzed using TIMER. Results showed that MEG3 expression was lower in most of the human cancer tissues than in the normal tissues. We also found that heterozygous deletion of MEG3 occurred more frequent than heterozygous amplification in gliomas, and mRNA expression of MEG3 was significantly positively correlated with its CNV in both the GBM and LGG group. Survival analysis showed that the CNV level of MEG3 had significant correlation with overall survival (OS) and progression-free survival (PFS) compared with wild type in LGG. Lower MEG3 expression was related with poor prognosis. Further analysis showed that in GBM, MEG3 expression level was significantly positively correlated with that of infiltrating CD8+ T cells and significantly negatively correlated with that of infiltrating dendritic cells. In LGG, MEG3 expression level was significantly negatively correlated with levels of infiltrating B cells, CD8+ T cells, CD4+ T cells, macrophages, neutrophils, and dendritic cells. Univariate Cox survival analysis demonstrated that only the level of infiltrating dendritic cells significantly affected the survival time of patients with GBM, while all six types of immune cells had a significant effect on the survival time of patients with LGG. Furthermore, MEG3 expression showed strong correlations with multiple immune markers in gliomas, especially in LGG. The current findings suggest that MEG3 expression might serve as a possible prognostic marker and potential immunotherapeutic target for gliomas.
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Affiliation(s)
- Xiaoping Xu
- Department of Neurosurgery, The Second People's Hospital of Yibin, Yibin, China
| | - Zhenglan Zhong
- Department of Health Examination, The Second People's Hospital of Yibin, Yibin, China
| | - Yongxiang Shao
- Department of Neurosurgery, The Second People's Hospital of Yibin, Yibin, China
| | - Yong Yi
- Department of Neurosurgery, The Second People's Hospital of Yibin, Yibin, China
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Wang Y, Zhou B, Yan L, Wu J, Xing Z, Zhang S, Xiang F. lncRNA NORAD promotes the progression of osteosarcoma via targeting of miR-155-5p. Exp Ther Med 2021; 21:645. [PMID: 33968176 PMCID: PMC8097224 DOI: 10.3892/etm.2021.10077] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 03/11/2021] [Indexed: 12/22/2022] Open
Abstract
Osteosarcoma (OS) is the most common malignant bone tumor in teens. Non-coding RNA activated by DNA damage (NORAD), a long non-coding RNA (lncRNA), has been reported to be involved in cancer biology, although its role in OS remains largely unknown. In the present study reverse transcription-quantitative PCR (RT-qPCR) was used to determine the expression levels of NORAD and miR-155-5p in samples from patients with OS. OS cell lines (Saos-2 and U2OS) were used as cell models. The biological influence of NORAD on OS cells was studied in vitro using Cell Counting Kit-8 and Transwell assays. The interaction between NORAD and miR-155-5p was clarified by bioinformatics analysis, RT-qPCR, luciferase reporter assay and RNA immunoprecipitation. NORAD was significantly increased in OS samples in comparison with controls, while miR-155-5p was reduced. Knockdown of NORAD and transfection of miR-155-5p mimics markedly inhibited the viability, migration and invasion of OS cells. There was a negative correlation between NORAD and miR-155-5p expression levels in OS samples. Taken together, the results of the present study indicated that the NORAD/miR-155-5p axis played a crucial role in regulating the proliferation, migration and invasion of OS cells. It is hypothesized that NORAD and miR-155-5p may serve as potential novel therapeutic targets for OS management.
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Affiliation(s)
- Ye Wang
- Department of Orthopedics, Ezhou Central Hospital, Ezhou, Hubei 436000, P.R. China
| | - Bin Zhou
- Department of Orthopedics, Ezhou Central Hospital, Ezhou, Hubei 436000, P.R. China
| | - Liping Yan
- Department of Orthopedics, Ezhou Central Hospital, Ezhou, Hubei 436000, P.R. China
| | - Jianhui Wu
- Department of Orthopedics, Ezhou Central Hospital, Ezhou, Hubei 436000, P.R. China
| | - Zhijie Xing
- Department of Orthopedics, Ezhou Central Hospital, Ezhou, Hubei 436000, P.R. China
| | - Shaochun Zhang
- Department of Orthopedics, Ezhou Central Hospital, Ezhou, Hubei 436000, P.R. China
| | - Fusheng Xiang
- Department of Orthopedics, Ezhou Central Hospital, Ezhou, Hubei 436000, P.R. China
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11
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Arman K, Saadat KASM, Igci YZ, Bozgeyik E, Ikeda MA, Cakmak EA, Arslan A. Long noncoding RNA ERICD interacts with ARID3A via E2F1 and regulates migration and proliferation of osteosarcoma cells. Cell Biol Int 2020; 44:2263-2274. [PMID: 32749762 DOI: 10.1002/cbin.11434] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 07/27/2020] [Accepted: 08/01/2020] [Indexed: 12/16/2022]
Abstract
Long noncoding RNA (lncRNA) dysregulation is known to be taking part in majority of cancers, including osteosarcoma. In one of our previous studies, we showed that lncRNA MEG3 is being regulated by microRNA-664a (miR-664a) suppresses the migratory potential of osteosarcoma cells (U-2OS). We now report a novel lncRNA, namely, ERICD, which is linked to the transcription factor AT-rich interaction domain 3A (ARID3A) in U-2OS cells. We show that ARID3A binds to ERICD and indirectly interacts with each other via the E2F transcription factor 1 (E2F1). Furthermore, small interfering RNA (siRNA)-mediated knockdown of ERICD inhibited cell migration, formation of colonies, and proliferation in U-2OS cells. Overexpression of ARID3A inhibited cell migration, colony formation, and proliferation, whereas siRNA-mediated knockdown of ARID3A promoted cell migration, colony formation, and proliferation. Our findings indicate that ARID3A and lncRNA ERICD have plausible tumor suppressive and oncogenic functions, respectively, in osteosarcoma. Our data demonstrate the converse interaction between ARID3A and lncRNA ERICD that target DNA-binding proteins and dysregulation of their expression through E2F1 augments osteosarcoma progression. The cell rescue experiment also indicated E2F1 to be involved in the regulation of ARID3A and ERICD.
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Affiliation(s)
- Kaifee Arman
- Institut de Recherches Cliniques de Montreal (IRCM), Montreal, Quebec, Canada.,Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada.,Department of Medical Biology and Genetics, Faculty of Medicine, Institute of Health Sciences, University of Gaziantep, Gaziantep, Turkey
| | - Khandakar A S M Saadat
- Department of Medical Biology and Genetics, Faculty of Medicine, Institute of Health Sciences, University of Gaziantep, Gaziantep, Turkey
| | | | - Esra Bozgeyik
- Vocational School of Health Services, Medical Services, and Techniques, Adiyaman University, Adiyaman, Turkey
| | - Masa-Aki Ikeda
- Department of Molecular Craniofacial Embryology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ecir A Cakmak
- Department of Medical Biology, Faculty of Medicine, Sakarya University, Sakarya, Turkey
| | - Ahmet Arslan
- Department of Medical Genetics, Faculty of Medicine, Tekirdag Namik Kemal University, Tekirdag, Turkey
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12
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Yao P, Ni Y, Liu C. Long Non-Coding RNA 691 Regulated PTEN/PI3K/AKT Signaling Pathway in Osteosarcoma Through miRNA-9-5p. Onco Targets Ther 2020; 13:4597-4606. [PMID: 32547090 PMCID: PMC7250307 DOI: 10.2147/ott.s249827] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 04/18/2020] [Indexed: 12/15/2022] Open
Abstract
Background Large amounts of researches indicate that non-coding RNAs play a crucial role in many malignancies. However, the potential mechanisms of non-coding RNAs involved in osteosarcoma tumorigenesis remain elusive. Materials and Methods The expression of long non-protein coding RNA 691 (lncRNA 691) in cell lines and paired osteosarcoma tissues was compared by qRT-PCR assay. Then, we explored the tumor suppressor function of lncRNA 691 with MTS and colony formation assay. Flow cytometry results showed lncRNA 691 can enhance cell apoptosis. Then, we predicted and verified the negative regulation relationship with miRNA and the miRNA’s target gene. Lastly, we revealed the tumorigenesis function of lncRNA-691/miRNA/target gene axis in osteosarcoma. Results In our study, we disclosed that lncRNA 691 had low expression levels in osteosarcoma cell lines and tissues. Overexpression of lncRNA 691 could suppress the cell proliferation and induce cell apoptosis in MG-63 cell line. Then, bioinformatics analyses were performed and miR-9-5p was found to negatively regulate the lncRNA 691 expression and promote the osteosarcoma tumorigenesis in vitro. PTEN was predicted as the target gene of miR-9-5p. Luciferase reporter assay and RIP assay demonstrated the regulatory network of lncRNA 691/miR-9-5p/PTEN. We revealed that PTEN was downregulated by the overexpression of miR-9-5p and upregulated by the overexpression of lncRNA 691. At last, the apoptosis-associated protein of the lncRNA 691/miR-9-5p/PTEN/PI3K/AKT was further demonstrated. Conclusion LncRNA 691/miR-9-5p could regulate the tumorigenesis by regulating the PTEN/PI3K/AKT signal pathway in osteosarcoma.
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Affiliation(s)
- Pengju Yao
- Department of Joint Surgery, Jiaozuo People's Hospital, Henan Province, People's Republic of China
| | - Yangming Ni
- Department of Joint Surgery, Jiaozuo People's Hospital, Henan Province, People's Republic of China
| | - Changlu Liu
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region, People's Republic of China
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13
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Liu S, Du Q, Rao Y, Liu C, Qu P. Long non-coding RNA NPBWR1-2 affects the development of ovarian cancer via multiple microRNAs. Oncol Lett 2020; 20:685-692. [PMID: 32565993 PMCID: PMC7285903 DOI: 10.3892/ol.2020.11639] [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: 10/10/2019] [Accepted: 04/17/2020] [Indexed: 11/21/2022] Open
Abstract
Ovarian cancer has a high incidence rate and mortality in gynaecologic malignancies. Epithelial ovarian cancer (EOC) accounts for >95% of ovarian cancer cases. Most of the patients with EOC are difficult to diagnose in early stage. The aim of the present study was to compare the long non-coding (lnc)RNA expression profiles of five ovarian cancer cell lines (IGROV1, A2780, SKOV3, ES2, and Hey) and an ovarian epithelial cell line (IOSE80) in order to identify differentially expressed lncRNAs and their associated microRNAs (miRNAs). The expression profiles of lncRNAs and mRNAs in these cell lines were determined by microarray gene analysis and reverse transcription-quantitative PCR. lncRNA neuropeptides B and W receptor 1–2 (NPBWR1-2) overexpression was induced in the SKOV3 cell line. Cell viability, proliferation, migration, invasion and apoptosis were evaluated using MTT, colony-formation, Transwell and flow cytometry assays, respectively. The microarray results indicated that several lncRNAs were differentially expressed in the five ovarian cancer cell lines compared with the normal ovarian epithelial cell line. Compared with IOSE80, lncRNA NPBWR1-2 was downregulated by more than two-fold in all five ovarian cancer cell lines. Moreover, NPBWR1-2 overexpression in the SKOV3 cell line decreased cell viability, inhibited proliferation, migration and invasion, and promoted apoptosis compared with the control cells. A total of 20 miRNAs, which are involved in tumorigenesis and development, were predicted to be associated with NPBWR1-2 by bioinformatics analysis. The results of the present study suggest that lncRNA NPBWR1-2 affects the occurrence and development of ovarian cancer via multiple miRNAs, providing a theoretical basis for the development of novel clinical treatments.
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Affiliation(s)
- Shasha Liu
- Emergency Department, Tianjin Central Hospital of Gynecology Obstetrics, Tianjin 300100, P.R. China
| | - Qiuyue Du
- Pathology Department, Tianjin Central Hospital of Gynecology Obstetrics, Tianjin 300100, P.R. China
| | - Yang Rao
- Department of Gynecological Oncology, Tianjin Central Hospital of Gynecology Obstetrics, Tianjin 300100, P.R. China
| | - Caiyan Liu
- Department of Gynecological Oncology, Tianjin Central Hospital of Gynecology Obstetrics, Tianjin 300100, P.R. China
| | - Pengpeng Qu
- State Key Laboratory of Medicinal Chemical Biology, NanKai University, Tianjin 300071, P.R. China
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14
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Sun H, Peng G, Wu H, Liu M, Mao G, Ning X, Yang H, Deng J. Long non-coding RNA MEG3 is involved in osteogenic differentiation and bone diseases (Review). Biomed Rep 2020; 13:15-21. [PMID: 32494359 PMCID: PMC7257936 DOI: 10.3892/br.2020.1305] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 03/13/2020] [Indexed: 12/13/2022] Open
Abstract
Osteogenic differentiation originating from mesenchymal stem cells (MSCs) requires tight co-ordination of transcriptional factors, signaling pathways and biomechanical cues. Dysregulation of such reciprocal networks may influence the proliferation and apoptosis of MSCs and osteoblasts, thereby impairing bone metabolism and homeostasis. An increasing number of studies have shown that long non-coding (lnc)RNAs are involved in osteogenic differentiation and thus serve an important role in the initiation, development, and progression of bone diseases such as tumors, osteoarthritis and osteoporosis. It has been reported that the lncRNA, maternally expressed gene 3 (MEG3), regulates osteogenic differentiation of multiple MSCs and also acts as a critical mediator in the development of bone formation and associated diseases. In the present review, the proposed mechanisms underlying the roles of MEG3 in osteogenic differentiation and its potential effects on bone diseases are discussed. These discussions may help elucidate the roles of MEG3 in osteogenic differentiation and highlight potential biomarkers and therapeutic targets for the treatment of bone diseases.
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Affiliation(s)
- Hong Sun
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Guoxuan Peng
- Department of Emergency Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Hongbin Wu
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Miao Liu
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Guping Mao
- Department of Joint Surgery, Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Xu Ning
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Hua Yang
- Department of Orthopaedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Jin Deng
- Department of Emergency Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
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15
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Baksa D, Gonda X, Eszlari N, Petschner P, Acs V, Kalmar L, Deakin JFW, Bagdy G, Juhasz G. Financial Stress Interacts With CLOCK Gene to Affect Migraine. Front Behav Neurosci 2020; 13:284. [PMID: 32038187 PMCID: PMC6993567 DOI: 10.3389/fnbeh.2019.00284] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 12/12/2019] [Indexed: 12/17/2022] Open
Abstract
Previous studies suggested that both maladaptive stress response and circadian dysregulation might have a role in the background of migraine. However, effects of circadian genes on migraine have not been tested yet. In the present study, we investigated the main effect of rs10462028 of the circadian locomotor output cycles kaput (CLOCK) gene and its interaction with different stress factors on migraine. In our cross-sectional study 2,157 subjects recruited from Manchester and Budapest completed the ID-Migraine questionnaire to detect migraine type headaches (migraineID). Additional stress factors were assessed by a shortened version of the Childhood Trauma Questionnaire, the List of Threatening Experiences questionnaire, and a validated questionnaire to identify financial difficulties. Rs10462028 showed no main genetic effect on migraineID. However, chronic stress indexed by financial difficulties showed a significant interaction effect with rs10462028 (p = 0.006 in recessive model) on migraineID. This result remained significant after correction for lifetime bipolar and unipolar depression and was replicated in both subsamples, although only a trend effect was reached after Bonferroni-correction, which is the strictest correction not considering interdependences. Childhood adversity (CHA) and Recent negative life events (RLE) showed no significant gene × stress interaction with rs10462028. In addition, in silico analysis demonstrated that the genetic region tagged by rs10462028 alters the binding of several miRNAs. Our exploratory study suggests that variations in the CLOCK gene, with moderating effect on gene function through miRNA binding, in interaction with financial difficulties might influence the risk of migraine-type headaches. Thus, financial hardship as a chronic stress factor may affect migraine through altering circadian rhythms.
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Affiliation(s)
- Daniel Baksa
- SE-NAP2 Genetic Brain Imaging Migraine Research Group, Hungarian Brain Research Program, Semmelweis University, Budapest, Hungary.,Department of Pharmacodynamics, Faculty of Pharmacy, Semmelweis University, Budapest, Hungary
| | - Xenia Gonda
- NAP-2-SE New Antidepressant Target Research Group, Hungarian Brain Research Program, Semmelweis University, Budapest, Hungary.,Department of Psychiatry and Psychotherapy, Semmelweis University, Budapest, Hungary.,MTA-SE Neuropsychopharmacology and Neurochemistry Research Group, Hungarian Academy of Sciences, Semmelweis University, Budapest, Hungary
| | - Nora Eszlari
- Department of Pharmacodynamics, Faculty of Pharmacy, Semmelweis University, Budapest, Hungary.,NAP-2-SE New Antidepressant Target Research Group, Hungarian Brain Research Program, Semmelweis University, Budapest, Hungary
| | - Peter Petschner
- Department of Pharmacodynamics, Faculty of Pharmacy, Semmelweis University, Budapest, Hungary.,MTA-SE Neuropsychopharmacology and Neurochemistry Research Group, Hungarian Academy of Sciences, Semmelweis University, Budapest, Hungary
| | - Veronika Acs
- Research Centre for Natural Sciences, Institute of Enzymology, Budapest, Hungary
| | - Lajos Kalmar
- Research Centre for Natural Sciences, Institute of Enzymology, Budapest, Hungary.,Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
| | - J F William Deakin
- Neuroscience and Psychiatry Unit, The University of Manchester and Manchester Academic Health Sciences Centre, Manchester, United Kingdom
| | - Gyorgy Bagdy
- Department of Pharmacodynamics, Faculty of Pharmacy, Semmelweis University, Budapest, Hungary.,NAP-2-SE New Antidepressant Target Research Group, Hungarian Brain Research Program, Semmelweis University, Budapest, Hungary.,MTA-SE Neuropsychopharmacology and Neurochemistry Research Group, Hungarian Academy of Sciences, Semmelweis University, Budapest, Hungary
| | - Gabriella Juhasz
- SE-NAP2 Genetic Brain Imaging Migraine Research Group, Hungarian Brain Research Program, Semmelweis University, Budapest, Hungary.,Department of Pharmacodynamics, Faculty of Pharmacy, Semmelweis University, Budapest, Hungary.,MTA-SE Neuropsychopharmacology and Neurochemistry Research Group, Hungarian Academy of Sciences, Semmelweis University, Budapest, Hungary
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16
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Zhang Y, Liu Y, Wu M, Wang H, Wu L, Xu B, Zhou W, Fan X, Shao J, Yang T. MicroRNA-664a-5p promotes osteogenic differentiation of human bone marrow-derived mesenchymal stem cells by directly downregulating HMGA2. Biochem Biophys Res Commun 2019; 521:9-14. [PMID: 31630797 DOI: 10.1016/j.bbrc.2019.09.122] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 09/27/2019] [Indexed: 12/11/2022]
Abstract
Osteogenic differentiation of human bone marrow-derived mesenchymal stem cells (BMSCs) has been regarded as a central issue in fracture healing. MicroRNAs (miRNAs, miRs) participate in diverse physiological processes such as osteoblastic differentiation of BMSCs. In this study, we found that miR-664a-5p was upregulated during osteogenic differentiation of human BMSCs, and this upregulation positively correlated with the expression of osteogenic genes Runt-related transcription factor 2 (RUNX2), alkaline phosphatase (ALP), and osteocalcin (OCN). Overexpression of miR-664a-5p promoted the osteogenic differentiation of BMSCs, whereas a knockdown of miR-664a-5p suppressed it. Additionally, high-mobility group A2 (HMGA2) mRNA was identified as a direct target of miR-664a-5p that mediates the function of this miRNA. Overexpression of HMGA2 obviously attenuated miR-664a-5p-induced osteogenic differentiation of BMSCs. Thus, the newly identified miR-664a-5p-HMGA2 pathway expands our understanding of the mechanisms underlying the osteogenic differentiation of human BMSCs, may provide deeper insights into the regulation of this differentiation, and can point to new effective methods for treating osteoporosis.
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Affiliation(s)
- Yan Zhang
- Department of Orthopaedics, Gongli Hospital of Pudong New Area, Shanghai, China
| | - Yue Liu
- Department of Orthopaedics, Gongli Hospital of Pudong New Area, Shanghai, China
| | - Ming Wu
- Ningxia Medical University, Yinchuan, China
| | - Hongyan Wang
- Department of Orthopaedics, Gongli Hospital of Pudong New Area, Shanghai, China
| | - Liang Wu
- Department of Orthopaedics, Gongli Hospital of Pudong New Area, Shanghai, China
| | - Bo Xu
- Department of Orthopaedics, Gongli Hospital of Pudong New Area, Shanghai, China
| | - Wenchao Zhou
- Department of Orthopaedics, Gongli Hospital of Pudong New Area, Shanghai, China
| | - Xinbin Fan
- Department of Orthopaedics, Gongli Hospital of Pudong New Area, Shanghai, China
| | - Jin Shao
- Department of Orthopaedics, Gongli Hospital of Pudong New Area, Shanghai, China
| | - Tieyi Yang
- Department of Orthopaedics, Gongli Hospital of Pudong New Area, Shanghai, China.
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17
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Maternally expressed gene 3 (MEG3): A tumor suppressor long non coding RNA. Biomed Pharmacother 2019; 118:109129. [PMID: 31326791 DOI: 10.1016/j.biopha.2019.109129] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 06/10/2019] [Accepted: 06/12/2019] [Indexed: 12/12/2022] Open
Abstract
Maternally expressed gene 3 (MEG3) is a long non-coding RNA (lncRNA) located on chromosome 14q32.3. Direct sequencing experiments have shown monoallelic expression of this lncRNA. Several studies have shown down-regulation of this lncRNA in human cancers. In some cases, hypermethylation of the promoter region has been suggested as the underlying mechanism. Functional studies have shown that this lncRNA controls expression of several tumor suppressor genes and oncogenes among them are p53, RB, MYC and TGF-β. Through regulation of Wnt-β-catenin pathway, it also affects epithelial-mesenchymal transition. In vitro studies have demonstrated contribution of MEG3 in defining response to chemotherapeutic agents such as paclitaxel, cisplatin and oxaliplatin. Certain polymorphisms within MEG3 are implicated in cancer risk (rs7158663, rs4081134 and rs11160608) or therapeutic response of cancer patients (rs10132552). Taken together, this lncRNA is regarded as a putative cancer biomarker and treatment target. In the current review, several aspects of the participation of MEG3 in carcinogenesis are discussed.
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18
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Abstract
Long noncoding RNAs (lncRNAs) have recently considered as central regulators in diverse biological processes and emerged as vital players controlling tumorigenesis. Several lncRNAs can be classified into oncogenes and tumor suppressor genes depending on their function in cancer. A maternally expressed gene 3 (MEG3) gene transcripts a 1.6 kb lncRNA whose act as an antitumor component in different cancer cells, such as breast, liver, glioma, colorectal, cervical, gastric, lung, ovarian and osteosarcoma cancer cells. The present review highlights biological function of MEG3 to repress tumor through regulating the major tumor suppressor genes p53 and Rb, inhibiting angiogenesis-related factor, or controlling miRNAs. On the other hand, previous studies have also suggested that MEG3 mediates epithelial-mesenchymal transition (EMT). However, deregulation of MEG3 is associated with the development and progression of cancer, suggesting that MEG3 may function as a potential biomarker and therapeutic target for human cancers.
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19
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Xie L, Yao Z, Zhang Y, Li D, Hu F, Liao Y, Zhou L, Zhou Y, Huang Z, He Z, Han L, Yang Y, Yang Z. Deep RNA sequencing reveals the dynamic regulation of miRNA, lncRNAs, and mRNAs in osteosarcoma tumorigenesis and pulmonary metastasis. Cell Death Dis 2018; 9:772. [PMID: 29991755 PMCID: PMC6039476 DOI: 10.1038/s41419-018-0813-5] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 05/23/2018] [Accepted: 05/25/2018] [Indexed: 02/06/2023]
Abstract
Osteosarcoma (OS) is the most common pediatric malignant bone tumor, and occurrence of pulmonary metastasis generally causes a rapid and fatal outcome. Here we aimed to provide clues for exploring the mechanism of tumorigenesis and pulmonary metastasis for OS by comprehensive analysis of microRNA (miRNA), long non-coding RNA (lncRNA), and mRNA expression in primary OS and OS pulmonary metastasis. In this study, deep sequencing with samples from primary OS (n = 3), pulmonary metastatic OS (n = 3), and normal controls (n = 3) was conducted and differentially expressed miRNAs (DEmiRNAs), lncRNAs (DElncRNAs), and mRNAs (DEmRNAs) between primary OS and normal controls as well as pulmonary metastatic and primary OS were identified. A total of 65 DEmiRNAs, 233 DElncRNAs, and 1405 DEmRNAs were obtained between primary OS and normal controls; 48 DEmiRNAs, 50 DElncRNAs, and 307 DEmRNAs were obtained between pulmonary metastatic and primary OS. Then, the target DEmRNAs and DElncRNAs regulated by the same DEmiRNAs were searched and the OS tumorigenesis-related and OS pulmonary metastasis-related competing endogenous RNA (ceRNA) networks were constructed, respectively. Based on these ceRNA networks and Venn diagram analysis, we obtained 3 DEmiRNAs, 15 DElncRNAs, and 100 DEmRNAs, and eight target pairs including miR-223-5p/(CLSTN2, AC009951.1, LINC01705, AC090673.1), miR-378b/(ALX4, IGSF3, SULF1), and miR-323b-3p/TGFBR3 were involved in both tumorigenesis and pulmonary metastasis of OS. The TGF-β superfamily co-receptor TGFBR3, which is regulated by miR-323b-3p, acts as a tumor suppressor in OS tumorigenesis and acts as a tumor promoter in pulmonary metastatic OS via activation of the epithelial-mesenchymal transition (EMT) program.In conclusion, the OS transcriptome (miRNA, lncRNA, and mRNA) is dynamically regulated. These analyses might provide new clues to uncover the molecular mechanisms and signaling networks that contribute to OS progression, toward patient-tailored and novel-targeted treatments.
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MESH Headings
- Adolescent
- Adult
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Carcinogenesis/genetics
- Carcinogenesis/metabolism
- Cell Transformation, Neoplastic/genetics
- Cell Transformation, Neoplastic/metabolism
- Computational Biology
- Female
- Gene Expression Regulation, Neoplastic/genetics
- Gene Expression Regulation, Neoplastic/physiology
- High-Throughput Nucleotide Sequencing/methods
- Humans
- Lung Neoplasms/genetics
- Lung Neoplasms/metabolism
- Male
- MicroRNAs/genetics
- MicroRNAs/metabolism
- Osteosarcoma/genetics
- Osteosarcoma/metabolism
- RNA, Long Noncoding/genetics
- RNA, Long Noncoding/metabolism
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Sequence Analysis, RNA/methods
- Young Adult
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Affiliation(s)
- Lin Xie
- Bone and Soft Tissue Tumors Research Center of Yunnan Province, Department of Orthopaedics, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
- Department of Medical Oncology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Zhihong Yao
- Bone and Soft Tissue Tumors Research Center of Yunnan Province, Department of Orthopaedics, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Ya Zhang
- Bone and Soft Tissue Tumors Research Center of Yunnan Province, Department of Orthopaedics, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Dongqi Li
- Bone and Soft Tissue Tumors Research Center of Yunnan Province, Department of Orthopaedics, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Fengdi Hu
- Department of Medical Oncology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Yedan Liao
- Department of Medical Oncology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Ling Zhou
- Department of Medical Oncology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Yonghong Zhou
- Department of Medical Oncology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Zeyong Huang
- Medical School, Kunming University of Science and Technology, Kunming, 650504, Yunnan, China
| | - Zewei He
- Bone and Soft Tissue Tumors Research Center of Yunnan Province, Department of Orthopaedics, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Lei Han
- Bone and Soft Tissue Tumors Research Center of Yunnan Province, Department of Orthopaedics, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Yihao Yang
- Bone and Soft Tissue Tumors Research Center of Yunnan Province, Department of Orthopaedics, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China
| | - Zuozhang Yang
- Bone and Soft Tissue Tumors Research Center of Yunnan Province, Department of Orthopaedics, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming, 650118, Yunnan, China.
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20
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Yang G, Song R, Wang L, Wu X. Knockdown of long non-coding RNA TP73-AS1 inhibits osteosarcoma cell proliferation and invasion through sponging miR-142. Biomed Pharmacother 2018; 103:1238-1245. [PMID: 29864904 DOI: 10.1016/j.biopha.2018.04.146] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 04/08/2018] [Accepted: 04/19/2018] [Indexed: 01/14/2023] Open
Abstract
Long non-coding RNA P73 antisense RNA 1 T (lncRNA TP73-AS1) has been shown to involve in the progression of numerous tumors. Nevertheless, the expression as well as the functional mechanisms of TP73-AS1 in osteosarcoma (OS) are still largely unknown. This study aimed to explore the roles and underlying mechanism of TP73-AS1 in OS progression. In thye present study, TP73-AS1 expression was significantly increased in OS tissues and cell lines. High TP73-AS1 expression was associated with poor overall survival of OS patients. TP73-AS1 knockdown suppressed OS cells proliferation and invasion in vitro as well as tumor growth in vivo. Furthermore, we identified that miR-142 could act as a direct target for TP73-AS1 and miR-142 inhibition reversed the suppression of OS cells proliferation and invasion induced by TP73-AS1 knockdown. In addition, we showed that TP73-AS1 could function as a sponge of miR-142 to positively regulate Rac1 in OS cells. Thus, our data suggested that TP73-AS1 served as an oncogenic lncRNA in OS progression, and could be regarded as an efficient therapeutic target in the treatment of OS.
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Affiliation(s)
- Guangling Yang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Ruipeng Song
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Limin Wang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Xuejian Wu
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.
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