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Jiao Z, Xie T, Wang X, Guo D, Lin S, An L, Lin J, Zhang L. Novel Circular RNA CircSLC2A13 Regulates Chicken Muscle Development by Sponging MiR-34a-3p. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:15530-15540. [PMID: 38963795 DOI: 10.1021/acs.jafc.4c01550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
The skeletal muscle is the major muscle tissue in animals, and its production is subject to a complex and strict regulation. The proliferation and differentiation of myoblasts are important factors determining chicken muscle development. Circular RNAs (circRNAs) are endogenous RNAs that are widely present in various tissues of organisms. Recent studies have shown that circRNA plays key roles in the development of skeletal muscles. The solute carrier (SLC) family functions in the transport of metabolites such as amino acids, glucose, nucleotides, and essential nutrients and is widely involved in various basic physiological metabolic processes within the body. In this study, we have cloned a novel chicken circular RNA circSLC2A13 generated from the solute carrier family 2 member 13 gene (SLC2A13). Also, circSLC2A1 was confirmed by sequencing verification, RNase R treatment, and reverse transcription analysis. Currently, our results show that circSLC2A13 promoted the proliferation and differentiation of chicken myoblasts. The double luciferase reporter system revealed that circSLC2A13 regulated the proliferation and differentiation of myoblasts by competitive binding with miR-34a-3p. In addition, results indicated that circSLC2A13 acts as a miR-34a-3p sponge to relieve its inhibitory effect on the target SMAD3 gene. In summary, this study found that chicken circSLC2A13 can bind to miR-34a-3p and weaken its inhibitory effect on the SMAD family member 3 gene (SMAD3), thereby promoting the proliferation and differentiation of myoblasts. This study laid foundations for broiler industry and muscle development research.
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Affiliation(s)
- Zhenhai Jiao
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
| | - Tingting Xie
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
| | - Xiaotong Wang
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
| | - Dongxue Guo
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
| | - Shudai Lin
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
| | - Lilong An
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
| | - Junyuan Lin
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
| | - Li Zhang
- Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation in Zhanjiang, Guangdong Ocean University, 524088 Zhanjiang, Guangdong, P. R. China
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Joshi R, Sharma A, Kulshreshtha R. Noncoding RNA landscape and their emerging roles as biomarkers and therapeutic targets in meningioma. MOLECULAR THERAPY. ONCOLOGY 2024; 32:200782. [PMID: 38596289 PMCID: PMC10951709 DOI: 10.1016/j.omton.2024.200782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Meningiomas are among the most prevalent primary CNS tumors in adults, accounting for nearly 38% of all brain neoplasms. The World Health Organization (WHO) grade assigned to meningiomas guides medical care in patients and is primarily based on tumor histology and malignancy potential. Although often considered benign, meningiomas with complicated histology, limited accessibility for surgical resection, and/or higher malignancy potential (WHO grade 2 and WHO grade 3) are harder to combat, resulting in significant morbidity. With limited treatment options and no systemic therapies, it is imperative to understand meningioma tumorigenesis at the molecular level and identify novel therapeutic targets. The last decade witnessed considerable progress in understanding the noncoding RNA landscape of meningioma, with microRNAs (miRNAs) and long noncoding RNAs (lncRNAs) emerging as molecular entities of interest. This review aims to highlight the commonly dysregulated miRNAs and lncRNAs in meningioma and their correlation with meningioma progression, malignancy, recurrence, and radioresistance. The role of "key" miRNAs as biomarkers and their therapeutic potential has also been reviewed in detail. Furthermore, current and emerging therapeutic modalities for meningioma have been discussed, with emphasis on the need to identify and subsequently employ clinically relevant miRNAs and lncRNAs as novel therapeutic targets and biomarkers.
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Affiliation(s)
- Ritanksha Joshi
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Anuja Sharma
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Ritu Kulshreshtha
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi 110016, India
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Zhang J, Li C, Sun L, Sun D, Zhao T. P53‑microRNA interactions regulate the response of colorectal tumor cells to oxaliplatin under normoxic and hypoxic conditions. Oncol Rep 2023; 50:219. [PMID: 37921068 PMCID: PMC10636723 DOI: 10.3892/or.2023.8656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 10/03/2022] [Indexed: 11/04/2023] Open
Abstract
Oxaliplatin (OXA)‑containing regimens are used as first‑line chemotherapy in colorectal cancer (CRC). However, OXA resistance remains a major challenge in CRC treatment. CRC cells that adapt to hypoxia can potentially develop OXA resistance, and the underlying molecular mechanisms still need to be further investigated. In the current study, the OXA drug sensitivity of two CRC cell lines, HCT116 (TP53WT) and HT29 (TP53MT), was compared under both normoxic and hypoxic conditions. It was found that under normoxic condition, HCT116 cells showed significantly higher OXA sensitivity than HT29 cells. However, both cell lines showed remarkable OXA resistance under hypoxic conditions. It was also revealed that P53 levels were increased after OXA and hypoxia treatment in HCT116 cells but not in HT29 cells. Notably, knocking down P53WT decreased normoxic but increased hypoxic OXA sensitivity in HCT116 cells, which did not exist in HT29 cells. Molecular analysis indicated that P53WT activated microRNA (miR)‑26a and miR‑34a in OXA treatment and activated miR‑23a in hypoxia treatment. Cell proliferation experiments indicated that a high level of miR‑23a decreased OXA sensitivity and that a high level of miR‑26a or miR‑34a increased OXA sensitivity in HCT116 cells. Additionally, it was demonstrated that miR‑26a, miR‑34a and miR‑23a affect cell apoptosis through regulation of MCL‑1, EZH2, BCL‑2, SMAD 4 and STAT3. Taken together, the present findings revealed the dual function of P53 in regulating cellular chemo‑sensitivity and highlighted the role of P53‑miR interactions in the response of CRC cells to OXA chemotherapy under normoxic and hypoxic conditions.
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Affiliation(s)
- Jiayu Zhang
- Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Chenguang Li
- Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Luanbiao Sun
- Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Denghua Sun
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Tiancheng Zhao
- Department of Endoscopy Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
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Fu J, Imani S, Wu MY, Wu RC. MicroRNA-34 Family in Cancers: Role, Mechanism, and Therapeutic Potential. Cancers (Basel) 2023; 15:4723. [PMID: 37835417 PMCID: PMC10571940 DOI: 10.3390/cancers15194723] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023] Open
Abstract
MicroRNA (miRNA) are small noncoding RNAs that play vital roles in post-transcriptional gene regulation by inhibiting mRNA translation or promoting mRNA degradation. The dysregulation of miRNA has been implicated in numerous human diseases, including cancers. miR-34 family members (miR-34s), including miR-34a, miR-34b, and miR-34c, have emerged as the most extensively studied tumor-suppressive miRNAs. In this comprehensive review, we aim to provide an overview of the major signaling pathways and gene networks regulated by miR-34s in various cancers and highlight the critical tumor suppressor role of miR-34s. Furthermore, we will discuss the potential of using miR-34 mimics as a novel therapeutic approach against cancer, while also addressing the challenges associated with their development and delivery. It is anticipated that gaining a deeper understanding of the functions and mechanisms of miR-34s in cancer will greatly contribute to the development of effective miR-34-based cancer therapeutics.
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Affiliation(s)
- Junjiang Fu
- Key Laboratory of Epigenetics and Oncology, The Research Center for Preclinical Medicine, Southwest Medical University, Luzhou 646000, China
| | - Saber Imani
- Shulan International Medical College, Zhejiang Shuren University, Hangzhou 310022, China
| | - Mei-Yi Wu
- Department of Biochemistry and Molecular Biology, School of Medicine, University of Maryland Baltimore, Baltimore, MD 21201, USA
| | - Ray-Chang Wu
- Department of Biochemistry and Molecular Medicine, The George Washington University, Washington, DC 20052, USA
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Eraky AM. Non-coding RNAs as Genetic Biomarkers for the Diagnosis, Prognosis, Radiosensitivity, and Histopathologic Grade of Meningioma. Cureus 2023; 15:e34593. [PMID: 36883085 PMCID: PMC9985895 DOI: 10.7759/cureus.34593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2023] [Indexed: 02/05/2023] Open
Abstract
Meningioma is considered the most common primary benign brain tumor. It originates from the arachnoid cells of the leptomeninges surrounding the brain. The mainstay treatment of meningiomas is microsurgical resection. Meningioma prognosis depends on tumor grade, location, and patient age. Recently, using non-coding RNA as a prognostic and diagnostic biomarker for many tumors became a trend. Herein, we demonstrate the importance of non-coding RNAs, including microRNAs and lncRNAs in meningioma and their potential role in meningioma's early diagnosis, prognosis, histological grade, and radiosensitivity. In this review, many microRNAs were found to be upregulated in radioresistant meningioma cells such as microRNA-221, microRNA-222, microRNA-4286, microRNA-4695-5p, microRNA-6732-5p, microRNA-6855-5p, microRNA-7977, microRNA-6765-3p, and microRNA-6787-5p. Moreover, there are many microRNAs downregulated in radioresistant meningioma cells such as microRNA-1275, microRNA-30c-1-3p, microRNA-4449, microRNA-4539, microRNA-4684-3p, microRNA-6129, and microRNA-6891-5p. Also, we highlight the possible use of non-coding RNAs as serum non-invasive biomarkers and their potential role as therapeutic targets to treat high-grade meningiomas. Recent studies show that microRNA-497, microRNA-195, microRNA-18a, microRNA-197, and microRNA-224 are downregulated in the serum of patients with meningiomas. Additionally, microRNA-106a-5p, microRNA-219-5p, microRNA-375, and microRNA-409-3p are found to be upregulated in the serum of patients with meningioma. We also found that there are many deregulated microRNAs in meningioma cells that can be used as potential biomarkers for meningioma diagnosis, prognosis, and histopathologic grade, such as microRNA-17-5p, microRNA-199a, microRNA-190a, microRNA-186-5p, microRNA155-5p, microRNA-22-3p, microRNA-24-3p, microRNA-26-5p, microRNA-27a-3p, microRNA-27b-3p, microRNA-96-5p, microRNA-146a-5p, microRNA-29c-3p, microRNA-219-5p, microRNA-335, microRNA-200a, microRNA-21, microRNA-107, microRNA-224, microRNA-195, microRNA-34a-3p, and microRNA-let-7d. Of interest, we found fewer studies discussing deregulated long non-coding RNAs (lncRNAs) in meningioma cells. LncRNAs work as competitive endogenous RNA (ceRNA) by binding to oncogenic or anti-oncogenic microRNAs. We found that lncRNA- NUP210, lncRNA-SPIRE2, lncRNA-SLC7A1, lncRNA-DMTN, lncRNA-LINC00702, and lncRNA-LINC00460 are upregulated in meningioma cells. In contrast, lncRNA-MALAT1 was found to be downregulated in meningioma cells.
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Affiliation(s)
- Akram M Eraky
- Neurological Surgery, Medical College of Wisconsin, Milwaukee, USA
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Wang JZ, Nassiri F, Aldape K, von Deimling A, Sahm F. The Epigenetic Landscape of Meningiomas. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1416:175-188. [PMID: 37432627 DOI: 10.1007/978-3-031-29750-2_13] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
Epigenetic changes have been found to be increasingly important in tumor development and progression. These alterations can be present in tumors such as meningiomas in the absence of any gene mutations and alter gene expression without affecting the sequence of the DNA itself. Some examples of these alterations that have been studied in meningiomas include DNA methylation, microRNA interaction, histone packaging, and chromatin restructuring. In this chapter we will describe in detail each of these mechanisms of epigenetic modification in meningiomas and their prognostic significance.
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Affiliation(s)
- Justin Z Wang
- Division of Neurosurgery, Department of Surgery, The University of Toronto, Toronto, ON, Canada
| | - Farshad Nassiri
- Division of Neurosurgery, Department of Surgery, The University of Toronto, Toronto, ON, Canada.
| | - Kenneth Aldape
- Laboratory of Pathology, Center Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Andreas von Deimling
- CCU Neuropathology, German Cancer Research Center (DKFZ), University Heidelberg, Heidelberg, Germany
| | - Felix Sahm
- CCU Neuropathology, German Cancer Research Center (DKFZ), University Heidelberg, Heidelberg, Germany
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Urbschat S, Landau B, Bewersdorf NC, Schuster C, Wagenpfeil G, Schulz-Schaeffer WJ, Oertel J, Ketter R. MicroRNA 200a as a histologically independent marker for meningioma recurrence: Results of a four microRNA panel analysis in meningiomas. Cancer Med 2022; 12:8433-8444. [PMID: 36583475 PMCID: PMC10134299 DOI: 10.1002/cam4.5566] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 11/18/2022] [Accepted: 12/13/2022] [Indexed: 12/31/2022] Open
Abstract
INTRODUCTION Meningiomas are mostly benign neoplasms of the central nervous system. Nevertheless there are recurrences in about 20% after surgical resection. Previous studies could reveal several predictors of meningioma recurrence. Tumor progression often is associated with a specific pattern of chromosome losses. Our study investigated the potential function of selected microRNAs as markers of tumor progression. METHODS By real-time polymerase chain reaction the expressions of microRNA 21-3p, 34a-3p, 200a-3p, and 409-3p were analyzed in solid tumor and in blood samples of 51 meningioma patients as well as in blood samples of 20 healthy individuals. Additionally, aberrations of parts of chromosomes 1, 14, 18, and 22 were analyzed by FISH. Tumor and blood samples were statistically analyzed, using Spearman's rank correlation coefficient as well as Mann-Whitney U- and Kruskal-Wallis-Test. RESULTS MicroRNA 200a showed significantly lower expressions in recurrent meningiomas than in newly diagnosed ones. MicroRNA 409 in meningiomas was correlated significantly with tumor volume and showed a significant negative correlation with patient age. Significance was found between the expression patterns of microRNAs 34a and 200a with the respective aberrations of chromosome 1p and the microRNA 409 with aberration of chromosome 14. In the male cohort the expression of microRNA 200a in blood was significantly upregulated in patients compared to healthy volunteers. By our research the function of microRNA 200a was proved to detect meningioma patients by liquid biopsy. CONCLUSION We detected microRNA 200a as a new biomarker to indicate meningioma recurrences. Future transferability to blood could be important for patient follow-up.
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Affiliation(s)
- Steffi Urbschat
- Department of Neurosurgery, Saarland University Medical Center and Saarland University, Homburg, Germany
| | - Benjamin Landau
- Department of Neurosurgery, Saarland University Medical Center and Saarland University, Homburg, Germany
| | - Nina-Christin Bewersdorf
- Department of Neurosurgery, Saarland University Medical Center and Saarland University, Homburg, Germany
| | - Celine Schuster
- Department of Neurosurgery, Saarland University Medical Center and Saarland University, Homburg, Germany
| | | | | | - Joachim Oertel
- Department of Neurosurgery, Saarland University Medical Center and Saarland University, Homburg, Germany
| | - Ralf Ketter
- Department of Neurosurgery, Saarland University Medical Center and Saarland University, Homburg, Germany
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Rokavec M, Huang Z, Hermeking H. Meta-analysis of miR-34 target mRNAs using an integrative online application. Comput Struct Biotechnol J 2022; 21:267-274. [PMID: 36582442 PMCID: PMC9764205 DOI: 10.1016/j.csbj.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/16/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Members of the microRNA-34/miR-34 family are induced by the p53 tumor suppressor and themselves possess tumor suppressive properties, as they inhibit the translation of mRNAs that encode proteins involved in processes, such as proliferation, migration, invasion, and metastasis. Here we performed a comprehensive integrative meta-analysis of multiple computational and experimental miR-34 related datasets and developed tools to identify and characterize novel miR-34 targets. A miR-34 target probability score was generated for every mRNA to estimate the likelihood of representing a miR-34 target. Experimentally validated miR-34 targets were strongly enriched among mRNAs with the highest scores providing a proof of principle for our analysis. We integrated the results from the meta-analysis in a user-friendly METAmiR34TARGET website (www.metamir34target.com/) that allows to graphically represent the meta-analysis results for every mRNA. Moreover, the website harbors a screen function, which allows to select multiple miR-34-related criteria/analyses and cut-off values to facilitate the stringent and comprehensive prediction of relevant miR-34 targets in expression data obtained from cell lines and tumors/tissues. Furthermore, information on more than 200 miR-34 target mRNAs, that have been experimentally validated so far, has been integrated in the web-tool. The website and datasets provided here should facilitate further investigation into the mechanisms of tumor suppression by the p53/miR-34 connection and identification of potential cancer drug targets.
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Affiliation(s)
- Matjaz Rokavec
- Experimental and Molecular Pathology, Institute of Pathology, Ludwig-Maximilians-Universität München, Germany,Corresponding authors at: Experimental and Molecular Pathology, Institute of Pathology Ludwig-Maximilians-University Munich, Thalkirchner Strasse 36, D-80337 Munich, Germany.
| | - Zekai Huang
- Experimental and Molecular Pathology, Institute of Pathology, Ludwig-Maximilians-Universität München, Germany
| | - Heiko Hermeking
- Experimental and Molecular Pathology, Institute of Pathology, Ludwig-Maximilians-Universität München, Germany,German Cancer Consortium (DKTK), Partner Site Munich, Germany,German Cancer Research Center (DKFZ), Heidelberg, Germany,Corresponding authors at: Experimental and Molecular Pathology, Institute of Pathology Ludwig-Maximilians-University Munich, Thalkirchner Strasse 36, D-80337 Munich, Germany.
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Tang W, Pei M, Li J, Xu N, Xiao W, Yu Z, Zhang J, Hong L, Guo Z, Lin J, Dai W, Xiao Y, Wu X, Liu G, Zhi F, Li G, Xiong J, Chen Y, Zhang H, Xiang L, Li A, Liu S, Wang J. The miR-3648/FRAT1-FRAT2/c-Myc negative feedback loop modulates the metastasis and invasion of gastric cancer cells. Oncogene 2022; 41:4823-4838. [DOI: 10.1038/s41388-022-02451-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 08/17/2022] [Accepted: 08/23/2022] [Indexed: 11/09/2022]
Abstract
AbstractAlthough the abnormal expression of miRNAs in cancer cells is a widely accepted phenomenon, the molecular mechanisms underlying miR-3648 progression and metastasis in gastric cancer (GC) remain unclear. miR-3648 expression is downregulated and its ectopic expression in GC cells significantly suppressed cell proliferation and metastasis. Mechanistic analyses indicated that miR-3648 directly targets FRAT1 or FRAT2 and inhibits FRAT1- or FRAT2-mediated invasion and motility in vitro and in vivo. Moreover, FRAT1 physically interacted with FRAT2. Furthermore, FRAT1 overexpression promoted GC cell invasion, whereas siRNA-mediated repression of FRAT2 in FRAT1-overexpressing GC cells reversed its invasive potential. Besides, miR-3648 inactivated the Wnt/β-catenin signalling pathway by downregulating FRAT1 and FRAT2 in GC. Interestingly, c-Myc, a downstream effector of Wnt/β-catenin signalling, was also downregulated by miR-3648 overexpression. In turn, c-Myc negatively regulated miR-3648 expression by binding to the miR-3648 promoter. In addition, miR-3648 expression levels were negatively correlated with c-Myc, FRAT1, and FRAT2 expression in fresh gastric samples. Our studies suggest that miR-3648 acts as a tumour-suppressive miRNA and that the miR-3648/FRAT1-FRAT2/c-Myc negative feedback loop could be a critical regulator of GC progression.
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Jiang Y, Shen X, Dong C, Zhi F, Gao Y, Shi C, Chao Y, Xu J, Shang D, Xu J, Yang B, Li X, Bai Y. The whole transcriptome analysis and the circRNA-lncRNA network construction in arsenic trioxide-treated mice myocardium. Biomed Pharmacother 2022; 151:113183. [PMID: 35676786 DOI: 10.1016/j.biopha.2022.113183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/18/2022] [Accepted: 05/22/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND/AIMS Arsenic trioxide (ATO) is an effective anti-cancer drug. Nonetheless, it possesses cardiotoxic effects which limit its clinical application. The present study aims to elucidate the molecular basis of ATO-induced cardiotoxicity through using whole transcriptome analysis. METHODS The whole transcriptome in ATO-treated mice myocardium was analyzed using RNA sequencing technique. These results were confirmed by real-time PCR. The lncRNA-mRNA and circRNA-mRNA co-expression networks were constructed. Finally, a circRNA-lncRNA co-regulated competing endogenous RNA (ceRNA) network was constructed. GO and KEGG pathway analyses were performed. The expression levels of Txnip and Spp1 in ATO-treated neonatal mouse cardiomyocytes were validated by real-time PCR. RESULTS A total of 113 mRNAs, 159 lncRNAs, 35 miRNAs, and 94 circRNAs were differentially expressed in ATO-treated mice myocardium. A lncRNA-circRNA co-regulation network was constructed. Function annotation revealed that aberrantly expressed genes may be enriched in the 'Wnt signaling pathway', 'Hippo signaling pathway', 'Notch signaling pathway', etc. Finally, the expression levels of Txnip and Spp1 were validated in ATO-treated cardiomyocytes, which was in accordance with the RNA-sequencing results. CONCLUSION ATO altered coding and noncoding RNA profiles in myocardium of mice. The ATO-related lncRNA-circRNA co-regulation network was constructed. Genes in the co-regulation network are likely to play important roles in the cardiotoxicity of ATO. This study provides new insights into the prevention and treatment of ATO-induced cardiotoxicity.
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Affiliation(s)
- Yanan Jiang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine, Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China; Translational Medicine Research and Cooperation Center of Northern China, Heilongjiang Academy of Medical Sciences, Harbin, China; College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China.
| | - Xiuyun Shen
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine, Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China.
| | - Chaorun Dong
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine, Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China.
| | - Fengnan Zhi
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine, Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China.
| | - Yang Gao
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
| | - Chunpeng Shi
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine, Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China.
| | - Yuqiu Chao
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine, Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China.
| | - Jincheng Xu
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine, Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China.
| | - Desi Shang
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China.
| | - Juan Xu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China.
| | - Baofeng Yang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine, Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China; Translational Medicine Research and Cooperation Center of Northern China, Heilongjiang Academy of Medical Sciences, Harbin, China.
| | - Xia Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China.
| | - Yunlong Bai
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine, Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China; Translational Medicine Research and Cooperation Center of Northern China, Heilongjiang Academy of Medical Sciences, Harbin, China.
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Li Y, Shao J, Song J, Yu S, Wang J, Sun K. MiR-34a-3p suppresses pulmonary vascular proliferation in acute pulmonary embolism rat by targeting DUSP1. Biosci Rep 2022; 42:BSR20210116. [PMID: 34778900 PMCID: PMC8703022 DOI: 10.1042/bsr20210116] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 09/07/2021] [Accepted: 09/14/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Acute pulmonary embolism (APE) is a prevalent reason of cardiovascular morbidity and mortality. Recent studies have underscored the positive effects of microRNAs (miRNAs) on many diseases. The present study aimed to identify the critical miRNA with differential expressions and explore its role in APE. METHODS The critical miRNA with its target gene was screened by bioinformatics analysis. Their binding relationship was analyzed by TargetScan, Dual-luciferase reporter and RNA pull-down assays. A rat model of APE was established by self-blood coagulum. Human pulmonary artery smooth muscle cells (PASMCs) were exposed to platelet-derived growth factor (PDGF-BB) for excessive proliferation, and transfected with miR-34a-3p mimic. Mean pulmonary arterial pressure (mPAP) of rat was measured, and the pulmonary tissues were used for the pathological observation by Hematoxylin-Eosin (H&E) staining. Cell viability and proliferation were detected by Cell Counting Kit-8 (CCK-8) and EdU assays. The expressions of miR-34a-3p with its target genes (including dual-specificity phosphatase-1 (DUSP1)), neuron-derived orphan receptor-1 (NOR-1) and proliferating cell nuclear antigen (PCNA) were determined by quantitative reverse transcription polymerase chain reaction (RT-qPCR) or/and Western blot. RESULTS MiR-34a-3p expression was down-regulated in APE patients, which attenuated the increment of mPAP and thickening of the pulmonary arterial walls in APE rats, accompanied with regulation of NOR-1 and PCNA levels. MiR-34a-3p suppressed DUSP1 expression by directly binding to its 3'-untranslated region (UTR), and attenuated cell viability, proliferation, and the expressions of NOR-1 and PCNA in PDGF-BB-induced PASMCs by inhibiting DUSP1 expression. CONCLUSION Up-regulated miR-34a-3p negatively regulates DUSP1 expression to inhibit PASMC proliferation, which, thus, may act on APE treatment by negatively regulating pulmonary vascular proliferation.
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MESH Headings
- Animals
- Case-Control Studies
- Cell Proliferation
- Cells, Cultured
- DNA-Binding Proteins/genetics
- DNA-Binding Proteins/metabolism
- Disease Models, Animal
- Dual Specificity Phosphatase 1/genetics
- Dual Specificity Phosphatase 1/metabolism
- Gene Expression Regulation, Enzymologic
- Male
- Membrane Transport Proteins/genetics
- Membrane Transport Proteins/metabolism
- MicroRNAs/genetics
- MicroRNAs/metabolism
- Muscle, Smooth, Vascular/enzymology
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/enzymology
- Myocytes, Smooth Muscle/pathology
- Nerve Tissue Proteins/genetics
- Nerve Tissue Proteins/metabolism
- Proliferating Cell Nuclear Antigen/genetics
- Proliferating Cell Nuclear Antigen/metabolism
- Pulmonary Artery/enzymology
- Pulmonary Artery/pathology
- Pulmonary Embolism/enzymology
- Pulmonary Embolism/genetics
- Pulmonary Embolism/pathology
- Rats, Sprague-Dawley
- Signal Transduction
- Vascular Remodeling
- Rats
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Affiliation(s)
- Yang Li
- Department of Emergency, Minhang Hospital, Fudan University, Shanghai, China
| | - Jinyan Shao
- Department of Emergency, Minhang Hospital, Fudan University, Shanghai, China
| | - Jianfeng Song
- Department of Emergency, Minhang Hospital, Fudan University, Shanghai, China
| | - Shuili Yu
- Department of Emergency, Minhang Hospital, Fudan University, Shanghai, China
| | - Jiqin Wang
- Department of Emergency, Minhang Hospital, Fudan University, Shanghai, China
| | - Keyu Sun
- Department of Emergency, Minhang Hospital, Fudan University, Shanghai, China
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12
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Tamtaji OR, Derakhshan M, Rashidi Noshabad FZ, Razaviyan J, Hadavi R, Jafarpour H, Jafari A, Rajabi A, Hamblin MR, Mahabady MK, Taghizadieh M, Mirzaei H. Non-Coding RNAs and Brain Tumors: Insights Into Their Roles in Apoptosis. Front Cell Dev Biol 2022; 9:792185. [PMID: 35111757 PMCID: PMC8801811 DOI: 10.3389/fcell.2021.792185] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 12/08/2021] [Indexed: 12/18/2022] Open
Abstract
A major terrifying ailment afflicting the humans throughout the world is brain tumor, which causes a lot of mortality among pediatric and adult solid tumors. Several major barriers to the treatment and diagnosis of the brain tumors are the specific micro-environmental and cell-intrinsic features of neural tissues. Absence of the nutrients and hypoxia trigger the cells' mortality in the core of the tumors of humans' brains: however, type of the cells' mortality, including apoptosis or necrosis, has been not found obviously. Current studies have emphasized the non-coding RNAs (ncRNAs) since their crucial impacts on carcinogenesis have been discovered. Several investigations suggest the essential contribution of such molecules in the development of brain tumors and the respective roles in apoptosis. Herein, we summarize the apoptosis-related non-coding RNAs in brain tumors.
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Affiliation(s)
- Omid Reza Tamtaji
- Students’ Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Derakhshan
- Department of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Javad Razaviyan
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Razie Hadavi
- Students’ Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamed Jafarpour
- Student Research Committee, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ameneh Jafari
- Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
- Proteomics Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Rajabi
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Johannesburg, South Africa
| | - Mahmood Khaksary Mahabady
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Taghizadieh
- Department of Pathology, School of Medicine, Center for Women’s Health Research Zahra, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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13
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Ghafouri-Fard S, Abak A, Hussen BM, Taheri M, Sharifi G. The Emerging Role of Non-Coding RNAs in Pituitary Gland Tumors and Meningioma. Cancers (Basel) 2021; 13:cancers13235987. [PMID: 34885097 PMCID: PMC8656547 DOI: 10.3390/cancers13235987] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/23/2021] [Accepted: 11/25/2021] [Indexed: 02/07/2023] Open
Abstract
Long non-coding RNAs (lncRNAs), microRNAs (miRNAs), and circular RNAs (circRNAs) are non-coding transcripts which are involved in the pathogenesis of pituitary gland tumors. LncRNAs that participate in the pathogenesis of pituitary gland tumors mainly serve as sponges for miRNAs. CLRN1-AS1/miR-217, XIST/miR-424-5p, H19/miR-93a, LINC00473/miR-502-3p, SNHG7/miR-449a, MEG8/miR-454-3p, MEG3/miR-23b-3p, MEG3/miR-376B-3P, SNHG6/miR-944, PCAT6/miR-139-3p, lncRNA-m433s1/miR-433, TUG1/miR-187-3p, SNHG1/miR-187-3p, SNHG1/miR-302, SNHG1/miR-372, SNHG1/miR-373, and SNHG1/miR-520 are identified lncRNA/miRNA pairs that are involved in this process. Hsa_circ_0001368 and circOMA1 are two examples of circRNAs that contribute to the pathogenesis of pituitary gland tumors. Meanwhile, SNHG1, LINC00702, LINC00460, and MEG3 have been found to partake in the pathogenesis of meningioma. In the current review, we describe the role of non-coding RNAs in two types of brain tumors, i.e., pituitary tumors and meningioma.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran 19835-35511, Iran;
| | - Atefe Abak
- Men’s Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran 19835-35511, Iran;
| | - Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil 44001, Iraq;
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, 07743 Jena, Germany
- Correspondence: (M.T.); (G.S.)
| | - Guive Sharifi
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran 19835-35511, Iran
- Correspondence: (M.T.); (G.S.)
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14
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Lambrou GI, Poulou M, Giannikou K, Themistocleous M, Zaravinos A, Braoudaki M. Differential and Common Signatures of miRNA Expression and Methylation in Childhood Central Nervous System Malignancies: An Experimental and Computational Approach. Cancers (Basel) 2021; 13:cancers13215491. [PMID: 34771655 PMCID: PMC8583574 DOI: 10.3390/cancers13215491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 10/24/2021] [Accepted: 10/26/2021] [Indexed: 11/16/2022] Open
Abstract
Epigenetic modifications are considered of utmost significance for tumor ontogenesis and progression. Especially, it has been found that miRNA expression, as well as DNA methylation plays a significant role in central nervous system tumors during childhood. A total of 49 resected brain tumors from children were used for further analysis. DNA methylation was identified with methylation-specific MLPA and, in particular, for the tumor suppressor genes CASP8, RASSF1, MGMT, MSH6, GATA5, ATM1, TP53, and CADM1. miRNAs were identified with microarray screening, as well as selected samples, were tested for their mRNA expression levels. CASP8, RASSF1 were the most frequently methylated genes in all tumor samples. Simultaneous methylation of genes manifested significant results with respect to tumor staging, tumor type, and the differentiation of tumor and control samples. There was no significant dependence observed with the methylation of one gene promoter, rather with the simultaneous presence of all detected methylated genes' promoters. miRNA expression was found to be correlated to gene methylation. Epigenetic regulation appears to be of major importance in tumor progression and pathophysiology, making it an imperative field of study.
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Affiliation(s)
- George I. Lambrou
- Choremeio Research Laboratory, First Department of Pediatrics, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Myrto Poulou
- Department of Medical Genetics, Medical School, National and Kapodistrian University of Athens, 15772 Athens, Greece;
| | - Krinio Giannikou
- Cancer Genetics Laboratory, Division of Pulmonary and Critical Care Medicine and of Genetics, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA;
| | - Marios Themistocleous
- Department of Neurosurgery, “Aghia Sofia” Children’s Hospital, 11527 Athens, Greece;
| | - Apostolos Zaravinos
- Department of Life Sciences, School of Sciences, European University Cyprus, Nicosia 2404, Cyprus
- Basic and Translational Cancer Research Center (BTCRC), Cancer Genetics, Genomics and Systems Biology Group, European University Cyprus, Nicosia 1516, Cyprus
- Correspondence: (A.Z.); (M.B.)
| | - Maria Braoudaki
- Department of Life and Environmental Sciences, School of Life and Health Sciences, University of Hertfordshire, Hertfordshire AL10 9AB, UK
- Correspondence: (A.Z.); (M.B.)
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15
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Yao S, Gao M, Wang Z, Wang W, Zhan L, Wei B. Upregulation of MicroRNA-34a Sensitizes Ovarian Cancer Cells to Resveratrol by Targeting Bcl-2. Yonsei Med J 2021; 62:691-701. [PMID: 34296546 PMCID: PMC8298871 DOI: 10.3349/ymj.2021.62.8.691] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 03/15/2021] [Accepted: 04/05/2021] [Indexed: 11/27/2022] Open
Abstract
PURPOSE Resveratrol (REV), a natural compound found in red wine, exhibits antitumor activity in various cancers, including ovarian cancer (OC). However, its potential anti-tumor mechanisms in OC are not well characterized. Here, we tried to elucidate the underlying mechanisms of REV in OC cells. MATERIALS AND METHODS The anti-proliferative effects of REV against OC cells were measured using CCK-8 assay. Apoptosis was measured using an Annexin V-FITC/PI apoptosis detection kit. The anti-metastasis effects of REV were evaluated by invasion assay and wound healing assay. The miRNA profiles in REV-treated cells were determined by microarray assay. RESULTS Our results showed that REV treatment suppresses the proliferation, induces the apoptosis, and inhibits the invasion and migration of OV-90 and SKOV-3 cells. miR-34a was selected for further study due to its tumor suppressive roles in various human cancers. We found miR-34a overexpression enhanced the inhibitory effects of REV on OC cells, whereas miR-34a inhibition had the opposite effect in OC cells. In addition, we verified that BCL2, an anti-apoptotic gene, was found directly targeted by miR-34a. We also found that REV reduced the expression of Bcl-2 in OC cells. Further investigations revealed that overexpression of Bcl-2 significantly abolished the anti-tumor effects of REV on OC cells. CONCLUSION Overall, these results demonstrated that REV exerts anti-cancer effects on OC cells through an miR-34a/Bcl-2 axis, highlighting the therapeutic potential of REV for treatment of OC.
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Affiliation(s)
- Shangli Yao
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ming Gao
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zujun Wang
- Department of Obstetrics and Gynecology, Lu'an Civily Hospital, Lu'an, China
| | - Wenyan Wang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Lei Zhan
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Bing Wei
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.
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16
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Cai X, Dai Y, Gao P, Ren G, Cheng D, Wang B, Wang Y, Yu J, Du Y, Wang X, Xue B. LncRNA CCAT1 promotes prostate cancer cells proliferation, migration, and invasion through regulation of miR-490-3p/FRAT1 axis. Aging (Albany NY) 2021; 13:18527-18544. [PMID: 34319909 PMCID: PMC8351697 DOI: 10.18632/aging.203300] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 04/29/2021] [Indexed: 12/18/2022]
Abstract
Prostate cancer (PCa) is a prevalent cancer in males, with high incidence and mortality. Recent studies have shown the crucial role of long non-coding RNA (lncRNA) in PCa. Here, we aimed to explore the functional roles and inner mechanisms of lncRNA CCAT1 in PCa cells. qRT-PCR results showed that CCAT1 was upregulated in PCa tissues and cells. Functional assays demonstrated that CCAT1 knockdown suppressed cell proliferation, migration, invasion, yet promoted apoptosis, while CCAT1 promotion showed the opposite results. We also found that CCAT1 negatively regulated miR-490-3p expression and subsequently regulated FRAT1 expression. Inhibition of miR-490-3p or up-regulation of FRAT1 reversed the suppressive effects of CCAT1 knockdown on the PCa cells. In conclusion, CCAT1 regulated FRAT1 expression through miR-490-3p and then promote the PCa cells proliferation, migration, and invasion, which reveals the oncogenic function of CCAT1 in PCa progress.
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Affiliation(s)
- Xiaowei Cai
- Department of Urology, Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
| | - Yiheng Dai
- Department of Urology, Suzhou Kowloon Hospital Shanghai Jiao Tong University School of Medicine, Suzhou 215021, Jiangsu, China
| | - Peng Gao
- Department of Urology, Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
| | - Guanyu Ren
- Department of Urology, Changhai Hospital, Naval Medical University, Shanghai 200433, Yangpu, China
| | - Dingcai Cheng
- Department of Urology, Taixing People's Hospital, Taixing 225400, Jiangsu, China
| | - Bo Wang
- Department of Urology, Suzhou Kowloon Hospital Shanghai Jiao Tong University School of Medicine, Suzhou 215021, Jiangsu, China
| | - Yi Wang
- Department of Urology, Suzhou Kowloon Hospital Shanghai Jiao Tong University School of Medicine, Suzhou 215021, Jiangsu, China
| | - Jiang Yu
- Department of Urology, Suzhou Kowloon Hospital Shanghai Jiao Tong University School of Medicine, Suzhou 215021, Jiangsu, China
| | - Yiheng Du
- Department of Urology, Suzhou Kowloon Hospital Shanghai Jiao Tong University School of Medicine, Suzhou 215021, Jiangsu, China
| | - Xizhi Wang
- Department of Urology, Suzhou Kowloon Hospital Shanghai Jiao Tong University School of Medicine, Suzhou 215021, Jiangsu, China
| | - Boxin Xue
- Department of Urology, Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
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17
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Foiani G, Guelfi G, Mandara MT. MicroRNA Dysregulation in Canine Meningioma: RT-qPCR Analysis of Formalin-Fixed Paraffin-Embedded Samples. J Neuropathol Exp Neurol 2021; 80:769-775. [PMID: 34272938 DOI: 10.1093/jnen/nlab057] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that play key roles in tumorigenesis as modulators of cell signaling pathways. miRNA expression has been found to be dysregulated in several human and canine tumors, but data are not yet available on canine meningioma. In this study, we analyzed the expression of 12 miRNAs (i.e. miR-335, miR-200a, miR-98, miR-96, miR-190a, miR-29c, miR-219-5p, miR-155, miR-146a, miR-145, miR-136, miR-451) by RT-qPCR in a series of 41 formalin-fixed, paraffin-embedded canine meningiomas, and normal arachnoid samples. We identified 8 dysregulated miRNAs that might be involved in canine meningioma pathogenesis. Five miRNAs (i.e. miR-96, miR-145, miR-335, miR-200a, miR-29c), were downregulated in tumor samples and 3 (i.e. miR-136, miR-155, miR-146a) were upregulated. Moreover, miR-200a was overexpressed in grade III compared to grade I and grade II meningiomas, suggesting that it might have a dual role in tumor initiation and progression. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses suggest that dysregulated miRNAs might influence cellular processes and pathways mainly involved in tumor cell migration, extracellular matrix interactions, cell proliferation, and inflammatory responses. The characterization of miRNA functions in canine meningiomas is needed to assess their potential clinical utility, also in view of the relevance of the dog as a potential spontaneous animal model of human disease.
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Affiliation(s)
- Greta Foiani
- From the Department of Veterinary Medicine, University of Perugia, Perugia, Italy (GF, GG, MTM)
| | - Gabriella Guelfi
- From the Department of Veterinary Medicine, University of Perugia, Perugia, Italy (GF, GG, MTM)
| | - Maria Teresa Mandara
- From the Department of Veterinary Medicine, University of Perugia, Perugia, Italy (GF, GG, MTM)
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18
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Ding G, Zeng Y, Yang D, Zhang C, Mao C, Xiao E, Kang Y, Shang J. Silenced lncRNA DDX11-AS1 or up-regulated microRNA-34a-3p inhibits malignant phenotypes of hepatocellular carcinoma cells via suppression of TRAF5. Cancer Cell Int 2021; 21:179. [PMID: 33752668 PMCID: PMC7983398 DOI: 10.1186/s12935-021-01847-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 02/20/2021] [Indexed: 01/06/2023] Open
Abstract
Background Studies have discussed long noncoding RNA DDX11-AS1 (DDX11-AS1)-mediated downstream mechanism in hepatocellular carcinoma (HCC). The goal of this study was to investigate the regulatory mechanism of DDX11-AS1-mediated microRNA-34a-3p (miR-34a-3p)/tumor necrosis factor receptor-associated factor 5 (TRAF5) axis on HCC cells. Methods DDX11-AS1, miR-34a-3p and TRAF5 expression levels in HCC were detected. The correlation of DDX11-AS1, miR-34a-3p and TRAF5 in HCC patients was analyzed by Pearson test. HCC cells were transfected with corresponding plasmid/oligonucleotide, and cell proliferation, migration, invasion, apoptosis and tumor formation ability were detected. Bioinformatics software, dual luciferase report experiment and RNA-pull down experiment analysis were applied to verify the targeting relationship between DDX11-AS1, miR-34a-3p and TRAF5. Results Elevated DDX11-AS1 and TRAF5 and reduced miR-34a-3p exhibited in HCC. Silenced DDX11-AS1 or up-regulated miR-34a-3p inhibited the proliferation, migration, invasion, promoted apoptosis of HCC cells and repressed the tumor growth in nude mice. In addition, DDX11-AS1 bound to miR-34a-3p to target TRAF5. Silencing TRAF5 or elevating miR-34a-3p expression mitigated up-regulated DDX11-AS1-mediated promotion of tumor growth. Conclusion Silenced DDX11-AS1 or up-regulated miR-34a-3p inhibits HCC cell growth via elevation of TRAF5, which could be of great benefit to find early diagnostic markers for HCC patients. Supplementary Information The online version contains supplementary material available at 10.1186/s12935-021-01847-6.
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Affiliation(s)
- Gangqiang Ding
- Department of Infectious Diseases, Henan Key Laboratory for Liver Disease, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, 450003, Henan, China.
| | - Yanli Zeng
- Department of Infectious Diseases, Henan Key Laboratory for Liver Disease, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Dongqiang Yang
- Department of Infectious Diseases, Henan Key Laboratory for Liver Disease, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Can Zhang
- Department of Infectious Diseases, Henan Key Laboratory for Liver Disease, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Chongshan Mao
- Department of Infectious Diseases, Henan Key Laboratory for Liver Disease, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Erhui Xiao
- Department of Infectious Diseases, Henan Key Laboratory for Liver Disease, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Yi Kang
- Department of Infectious Diseases, Henan Key Laboratory for Liver Disease, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Jia Shang
- Department of Infectious Diseases, Henan Key Laboratory for Liver Disease, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
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19
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Huang X, Pan M, Du P, Chen Y, Zhang C, Lu W, Lin J. Maternally expressed 3 protects the intestinal barrier from cardiac arrest-induced ischemia/reperfusion injury via miR-34a-3p/sirtuin 1/nuclear factor kappa B signaling. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:122. [PMID: 33569424 PMCID: PMC7867908 DOI: 10.21037/atm-20-6438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 12/26/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Cardiac arrest (CA), a common disease with a high mortality rate, is a leading cause of ischemia/reperfusion (I/R)-induced dysfunction of the intestinal barrier. Long non-coding RNAs (lncRNAs) play crucial roles in multiple pathological processes. However, the effect of the lncRNA maternally expressed 3 (MEG3) on intestinal I/R injury and the intestinal barrier has not been fully determined. Therefore, this study aimed to investigate the function of MEG3 in CA-induced intestinal barrier dysfunction. METHODS The oxygen and glucose deprivation (OGD) model in the human colorectal adenocarcinoma Caco-2 cells and in vivo cardiac arrest-induced intestinal barrier dysfunction model in Sprague-Dawley (SD) rats were established. The effect and underlying mechanism of MEG3 on the intestinal barrier from cardiac arrest-induced ischemia/reperfusion injury were analyzed by methyl thiazolyl tetrazolium (MTT) assays, Annexin V-FITC/PI apoptosis detection kit, Terminal deoxynucleotidyl transferase-mediated dUTP nick end labelling (TUNEL) staining, quantitative polymerase chain reaction (qPCR) assays, Western blot analysis, luciferase reporter gene assays, transepithelial electrical resistance (TEER) measurements, immunofluorescence analysis, and enzyme-linked immunosorbent assay (ELISA) assays. RESULTS Interestingly, we found that MEG3 could protect Caco-2 cells from oxygen-glucose deprivation (OGD)/reoxygenation-induced I/R injury by modulating cell proliferation and apoptosis. Moreover, MEG3 relieved OGD-induced intestinal barrier dysfunction in vitro, as demonstrated by its significant rescue effect on transepithelial electrical resistance and the expression of tight junction proteins such as occludin and claudin-1 (CLDN1), which were impaired in OGD-treated Caco-2 cells. Mechanistically, MEG3 inhibited the expression of inflammatory factors including interleukin (IL)-1β, tumor necrosis factor (TNF)-α, interferon-gamma (IFN)-γ, inflammatory factors including interleukin (IL)-10, and transforming growth factor beta (TGFb)-1, as well as nuclear factor-kappa B (NF-κB) signaling. In response to OGD treatment in vitro, MEG3 also activated the expression of sirtuin 1 (SIRT1) by Caco-2 cells via sponging miR-34a-3p. Furthermore, MEG3 relieved CA-induced intestinal barrier dysfunction through NF-κB signaling in vivo. CONCLUSIONS LncRNA MEG3 can protect the intestinal barrier from cardiac arrest-induced I/R injury via miR-34a-3p/SIRT1/NF-κB signaling. This finding provides new insight into the mechanism by which MEG3 restores intestinal barrier function following I/R injury, presenting it as a potential therapeutic candidate or strategy in intestinal injury.
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Affiliation(s)
- Xianwei Huang
- Emergency Department, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Mandong Pan
- Emergency Department, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Penghui Du
- Emergency Department, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Yinrong Chen
- Emergency Department, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Caixia Zhang
- Emergency Department, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Wang Lu
- Emergency Department, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Jiyan Lin
- Emergency Department, The First Affiliated Hospital of Xiamen University, Xiamen, China
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20
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Wang L, Chen S, Liu Y, Zhang H, Ren N, Ma R, He Z. The biological and diagnostic roles of MicroRNAs in meningiomas. Rev Neurosci 2020; 31:771-778. [PMID: 32697762 DOI: 10.1515/revneuro-2020-0023] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 06/04/2020] [Indexed: 12/14/2022]
Abstract
MicroRNAs (miRNAs) refer to a class of small endogenous non-coding RNAs that regulate gene expression at the post-transcriptional level. Emerging studies have shown that miRNAs play critical roles in tumorigenesis and cancer progression. However, roles and mechanisms of miRNA dysregulation in the pathogenesis of meningioma are not fully understood. Here, we first reviewed existing research of aberrantly expressed miRNAs identified by high throughput microarray profiling in meningioma. We also explored the potential of miRNA as biomarkers and therapeutic targets for novel treatment paradigms of meningiomas. In addition, we summarized recent researches that focused on the possible mechanisms involved in miRNA-mediate meningioma occurrence and progression. This review provides an overview of miRNA deregulation in meningioma and indicates the potential of miRNAs to be used as biomarkers or novel therapeutic targets.
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Affiliation(s)
- Lei Wang
- Department of Neurosurgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Shengpan Chen
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.,International Neuroscience Institute of China (China-INI), Beijing, China
| | - Yan Liu
- Department of Neurology, Changsha Central Hospital, Changsha, Hunan, China
| | - Hongqi Zhang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China.,International Neuroscience Institute of China (China-INI), Beijing, China
| | - Nianjun Ren
- Department of Neurosurgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Ruoyu Ma
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Zhengwen He
- Department of Neurosurgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
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21
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Tian Y, Zhang L, Yu Q, Wang Z, Yang X. MiR-135a inhibits non-small cell lung cancer progression by suppressing RAB1B expression and the RAS pathway. Aging (Albany NY) 2020; 12:14480-14489. [PMID: 32710726 PMCID: PMC7425451 DOI: 10.18632/aging.103494] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 05/27/2020] [Indexed: 06/11/2023]
Abstract
Lung cancer is the most common tumor in China and worldwide. Despite advances in diagnosis and therapy, it still represents the most lethal malignancy in industrialized countries. The study of regulatory noncoding RNAs has deepened our understanding of cancer on the molecular and clinical level. In this article, it showed that miR-135a was aberrantly downregulated in non-small cell lung cancer (NSCLC) cells in comparison with normal bronchial epithelial cells, and the expression of miR-135a inhibited proliferation, invasion and metastasis of NSCLC cells in vitro. Moreover, it was demonstrated that miR-135a inhibited the expression of multiple components (including RAS, Raf1, Rac1 and RhoA) of the RAS pathway via RAB1B, which was a novel target of miR-135a. The expression of miR-135a and RAB1B could effectively predict the clinical outcomes of NSCLC. In summary, miR-135a might function as a suppressor of NSCLC cells, and thus could be used as a potential therapeutic target.
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Affiliation(s)
- Ye Tian
- Division of Thoracic Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang 110032, China
| | - Lei Zhang
- Division of Thoracic Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang 110032, China
| | - Qian Yu
- Division of Thoracic Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang 110032, China
| | - Zelong Wang
- Division of Thoracic Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang 110032, China
| | - Xueying Yang
- Division of Thoracic Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang 110032, China
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22
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Integrated Transcriptomic Analysis Reveals the Molecular Mechanism of Meningiomas by Weighted Gene Coexpression Network Analysis. BIOMED RESEARCH INTERNATIONAL 2020; 2020:4927547. [PMID: 32596316 PMCID: PMC7303753 DOI: 10.1155/2020/4927547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 04/28/2020] [Accepted: 05/09/2020] [Indexed: 02/04/2023]
Abstract
Meningiomas are the most common primary intracranial tumor in adults. However, to date, systemic coexpression analyses for meningiomas fail to explain its pathogenesis. The aim of the present study was to construct coexpression modules and identify potential biomarkers associated with meningioma progression. Weighted gene coexpression network analysis (WGCNA) was performed based on GSE43290, and module preservation was tested by GSE74385. Functional annotations were performed to analyze biological significance. Hub genes were selected for efficacy evaluations and correlation analyses using two independent cohorts. A total of 14 coexpression modules were identified, and module lightcyan was significantly associated with WHO grades. Functional enrichment analyses of module lightcyan were associated with tumor pathogenesis. The top 10 hub genes were extracted. Ten biomarkers, particularly AHCYL2, FGL2, and KCNMA1, were significantly related to grades and prognosis of meningioma. These findings not only construct coexpression modules leading to the better understanding of its pathogenesis but also provide potential biomarkers that represent specific on tumor grades and identify recurrence, predicting prognosis and progression of meningiomas.
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23
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Hu SA, Wei W, Yuan J, Cheng J. Resveratrol Inhibits Proliferation in HBL-52 Meningioma Cells. Onco Targets Ther 2020; 12:11579-11586. [PMID: 31920345 PMCID: PMC6941613 DOI: 10.2147/ott.s228513] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Accepted: 11/07/2019] [Indexed: 12/28/2022] Open
Abstract
Objective To investigate the effects of resveratrol on apoptosis and proliferation in meningioma cells and characterize the underlying molecular mechanism. Methods HBL-52 meningioma cells were treated with resveratrol at doses of 10, 50, 100, 200, and 400 μM for 24, 36, and 48 hrs. Inhibition of proliferation was measured by CCK8 assay, and apoptosis was determined by annexin V staining and flow cytometry. Expression of apoptosis-associated proteins (cleaved-caspase-3, pro-caspase-3) and Bcl-2 were measured by Western blot. Levels of miR-34a-3p and Bcl-2 mRNA were analyzed by reverse transcriptase PCR. A dual luciferase assay was used to determine whether miR-34a-3p binds to the 3ʹUTR of Bcl-2. Results Resveratrol reduces proliferation and increases apoptosis in HBL-52 cells. These effects increase with increasing resveratrol concentration and exposure time. Resveratrol increases levels of cleaved-caspase 3 protein as well as decreases levels of pro-caspase 3 protein and Bcl-2 mRNA. The 3ʹUTR of Bcl-2 contains putative binding sites for miR-34a-3p, and these binding sites can regulate the expression of a luciferase reporter. Overexpression of miR-34a-3p reduces Bcl-2 protein levels in HBL-52 cells. Conclusion Resveratrol suppresses proliferation and induces apoptosis in meningioma cells by upregulating miR-34a-3p, which in turn downregulates Bcl-2. Resveratrol may be a useful drug for treating meningiomas.
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Affiliation(s)
- Shun-An Hu
- Department of Neurosurgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei 441021, People's Republic of China
| | - Wei Wei
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei 441021, People's Republic of China
| | - Jia Yuan
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei 441021, People's Republic of China
| | - Jin Cheng
- Department of Pharmacy, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei 441021, People's Republic of China
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Pepe F, Pisapia P, Del Basso de Caro ML, Conticelli F, Malapelle U, Troncone G, Martinez JC. Next generation sequencing identifies novel potential actionable mutations for grade I meningioma treatment. Histol Histopathol 2019; 35:741-749. [PMID: 31872418 DOI: 10.14670/hh-18-195] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Meningiomas are common brain tumors that arise from the meningeal membranes that envelope the brain and spinal cord. The World Health Organization classifies these tumors into three histopathological grades. Because of tumor recurrence, treating meningiomas may be challenging even in well-differentiated grade I (GI) neoplasms. Indeed, around 5% of completely resected GI meningiomas relapse within 5 years. Therefore, identifying driver mutations in GI meningiomas through next generation sequencing (NGS) assays is paramount. The aim of this study was to validate the use of the 50-gene AmpliSeq Hotspot Cancer Panel v2 to identify the mutational status of 23 GI meningioma, namely, 12 non recurrent and 11 recurrent. In 18 out of the 23 GI meningiomas analyzed, we identified at least one gene mutation (78.2%). The most frequently mutated genes were c-kit (39.1%), ATM (26.1%), TP53 (26.1%), EGFR (26.1%), STK11 (21.7%), NRAS (17.4%), SMAD4 (13%), FGFR3 (13%), and PTPN11 (13%); less frequent mutations were SMARCB1 (8.7%), FLT3 (8.7%), KRAS (8.7%), FBWX7 (8.7%), ABL1 (8.7%), ERBB2 (8.7%), IDH1 (8.7%), BRAF (8.7%), MET (8.7%), HRAS (4.3%), RB1 (4.3%), CTNNB1 (4.3%), PIK3CA (4.3%), VHL (4.3%), KDR (4.3%), APC (4.3%), NOTCH1 (4.3%), JAK3 (4.3%), and SRC (4.3%). To our knowledge, mutations in all of these genes, except for TP53, STK11, SMARCB1, PIK3CA, VHL, and BRAF, have never been described before in meningiomas. Hence, these findings demonstrate the viability of NGS to detect new genetic alterations in GI meningiomas. Equally important, this technology enabled us to detect possible novel actionable mutations not previously associated with GI and for which selective inhibitors already exist.
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Affiliation(s)
- Francesco Pepe
- Department of Public Health, University of Naples "Federico II", Naples, Italy
| | - Pasquale Pisapia
- Department of Public Health, University of Naples "Federico II", Naples, Italy
| | | | - Floriana Conticelli
- Department of Public Health, University of Naples "Federico II", Naples, Italy
| | - Umberto Malapelle
- Department of Public Health, University of Naples "Federico II", Naples, Italy
| | - Giancarlo Troncone
- Department of Public Health, University of Naples "Federico II", Naples, Italy.
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25
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Wang L, Wei Z, Wu K, Dai W, Zhang C, Peng J, He Y. Long noncoding RNA B3GALT5-AS1 suppresses colon cancer liver metastasis via repressing microRNA-203. Aging (Albany NY) 2019; 10:3662-3682. [PMID: 30530918 PMCID: PMC6326654 DOI: 10.18632/aging.101628] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 10/27/2018] [Indexed: 12/14/2022]
Abstract
Long noncoding RNAs (lncRNAs) are implicated in various cancers, including colon cancer. Liver metastasis is the main cause of colon cancer-related death. However, the roles of lncRNAs in colon cancer liver metastasis are still largely unclear. In this study, we identified a novel lncRNA B3GALT5-AS1, which is reduced in colon cancer tissues and further reduced in colon cancer liver metastasis tissues. Reduced expression of B3GALT5-AS1 is associated with liver metastasis and poor outcome of colon cancer patients. Gain-of-function and loss-of-function assays revealed that B3GALT5-AS1 inhibited proliferation but promoted migration and invasion of colon cancer cells. Further investigation revealed that B3GALT5-AS1 directly bound to the promoter of miRNA-203, repressed miR-203 expression, upregulated miR-203 targets ZEB2 and SNAI2, and induced epithelial-to-mesenchymal transition (EMT). In vivo study revealed that B3GALT5-AS1 suppressed colon cancer liver metastasis via its binding on miR-203 promoter and the repression of miR-203. miR-203 is increased and epithelial phenotype is preferred in colon cancer liver metastasis tissues. Collectively, our data revealed the suppressive roles of B3GALT5-AS1/miR-203/EMT regulation axis in colon cancer liver metastasis. Our data suggested that the activating B3GALT5-AS1/miR-203/EMT axis may be potential therapeutic strategy for colon cancer liver metastasis.
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Affiliation(s)
- Liang Wang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Zhewei Wei
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Kaiming Wu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Weigang Dai
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Changhua Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Jianjun Peng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Yulong He
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
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26
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Mulholland EJ, Green WP, Buckley NE, McCarthy HO. Exploring the Potential of MicroRNA Let-7c as a Therapeutic for Prostate Cancer. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 18:927-937. [PMID: 31760377 PMCID: PMC6883330 DOI: 10.1016/j.omtn.2019.09.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Revised: 09/02/2019] [Accepted: 09/08/2019] [Indexed: 01/20/2023]
Abstract
Prostate cancer (PCa) is one of the leading causes of mortality worldwide and often presents with aberrant microRNA (miRNA) expression. Identifying and understanding the unique expression profiles could aid in the detection and treatment of this disease. This review aims to identify miRNAs as potential therapeutic targets for PCa. Three bio-informatic searches were conducted to identify miRNAs that are reportedly implicated in the pathogenesis of PCa. Only hsa-Lethal-7 (let-7c), recognized for its role in PCa pathogenesis, was common to all three databases. Three further database searches were conducted to identify known targets of hsa-let-7c. Four targets were identified, HMGA2, c-Myc (MYC), TRAIL, and CASP3. An extensive review of the literature was undertaken to assess the role of hsa-let-7c in the progression of other malignancies and to evaluate its potential as a therapeutic target for PCa. The heterogeneous nature of cancer makes it logical to develop mechanisms by which the treatment of malignancies is tailored to an individual, harnessing specific knowledge of the underlying biology of the disease. Resetting cellular miRNA levels is an exciting prospect that will allow this ambition to be realized.
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Affiliation(s)
- Eoghan J Mulholland
- Gastrointestinal Stem Cell Biology Laboratory, Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK
| | - William P Green
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland
| | - Niamh E Buckley
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland.
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27
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Xiong Y, Wang Q. STC1 regulates glioblastoma migration and invasion via the TGF‑β/SMAD4 signaling pathway. Mol Med Rep 2019; 20:3055-3064. [PMID: 31432189 PMCID: PMC6755173 DOI: 10.3892/mmr.2019.10579] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 05/01/2019] [Indexed: 02/06/2023] Open
Abstract
Stanniocalcin-1 (STC1) is involved in cancer progression; however, the function of STC1 in glioblastoma remains unknown. In the present study, the expression levels of STC1 protein in glioblastoma were detected using immunohistochemistry. The expression levels of STC1, SMAD2/3 and SMAD4 proteins, following silencing of STC1, were assessed via western blotting. EdU and Transwell assays were performed to determine the proliferation and migration ability of the cells. The mRNA expression levels of STC1, SMAD4 and microRNA (miR)-34a were determined using quantitative PCR. The expression levels of STC1 were increased in glioblastoma tissues. STC1 revealed a significant association with poor outcome in patients with glioblastoma (P<0.05). The proliferation and invasion abilities were repressed in LN229 cells infected with LV3-shSTC1-1 and LV3-shSTC1-2 compared with LV3-NC. By contrast, the proliferation and invasion abilities were increased in T98G cells infected with LV5-STC1 compared with LV5-NC (P<0.05). The expression levels of STC1, SMAD2/3 and SMAD4 were decreased in LN229 cells infected with LV3-shSTC1-1 and LV3-shSTC1-2 compared with LV3-NC. However, the expression levels of STC1, SMAD2/3 and SMAD4 were elevated in T98G cells infected with LV5-STC1 compared with LV5-NC. The expression levels of miR-34a were decreased following silencing of STC1 (P<0.05). The expression levels of SMAD4 were decreased when transfected with miR-34a mimics (P<0.05). The luciferase activity of the wild-type 3′untranslated region of SMAD4 was decreased following transfection with miR-34a mimics (P<0.05). Silencing of STC1 inhibited the growth of LN229 in vivo. In conclusion, STC1 expression levels were increased in the present study, and it was revealed that STC1 regulated glioblastoma malignancy. This phenotype was observed in the SMAD2/3 and SMAD4 pathways.
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Affiliation(s)
- Yan Xiong
- Department of Neurosurgery, Chongqing Ninth People's Hospital, Chongqing 400715, P.R. China
| | - Qibai Wang
- Department of Neurosurgery, Chongqing Red Cross Hospital (People's Hospital of Jiangbei District), Chongqing 400020, P.R. China
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Imani S, Wu RC, Fu J. MicroRNA-34 family in breast cancer: from research to therapeutic potential. J Cancer 2018; 9:3765-3775. [PMID: 30405848 PMCID: PMC6216011 DOI: 10.7150/jca.25576] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 08/03/2018] [Indexed: 12/25/2022] Open
Abstract
MicroRNA (miRNA)-34 family (miR-34s), including miR-34a/b/c, is the most well studied non-coding RNAs that regulate gene expression post-transcriptionally. The miR-34s mediates the tumor suppressor function of p53 in the pathogenesis of breast cancer by targeting different oncogenes. This review focuses on the anti-oncogenic regulation of the miR-34s, emphasizing the major signaling pathways that are involved in the modulation of miR-34s in breast cancer. Moreover, it highlights how epigenetic modification by the p53/miR-34s axis regulates the proliferation, invasiveness, chemoresistance, and sternness of breast cancer. A better understanding of the molecular mechanisms of miR-34s will open new opportunities for the development of novel therapeutic strategies and define a new approach in identifying potential biomarkers for early diagnosis of breast cancer.
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Affiliation(s)
- Saber Imani
- Key Laboratory of Epigenetics and Oncology, the Research Center for Preclinical Medicine, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Ray-Chang Wu
- Department of Biochemistry and Molecular Medicine, the George Washington University, Washington, DC 20052, USA
| | - Junjiang Fu
- Key Laboratory of Epigenetics and Oncology, the Research Center for Preclinical Medicine, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
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29
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MicroRNA in diagnosis and therapy monitoring of early-stage triple-negative breast cancer. Sci Rep 2018; 8:11584. [PMID: 30072748 PMCID: PMC6072710 DOI: 10.1038/s41598-018-29917-2] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 07/09/2018] [Indexed: 11/12/2022] Open
Abstract
Breast cancer is a heterogeneous disease with distinct molecular subtypes including the aggressive subtype triple-negative breast cancer (TNBC). We compared blood-borne miRNA signatures of early-stage basal-like (cytokeratin-CK5-positive) TNBC patients to age-matched controls. The miRNAs of TNBC patients were assessed prior to and following platinum-based neoadjuvant chemotherapy (NCT). After an exploratory genome-wide study on 21 cases and 21 controls using microarrays, the identified signatures were verified independently in two laboratories on the same and a new cohort by RT-qPCR. We differentiated the blood of TNBC patients before NCT from controls with 84% sensitivity. The most significant miRNA for this diagnostic classification was miR-126-5p (two tailed t-test p-value of 1.4 × 10−5). Validation confirmed the microarray results for all tested miRNAs. Comparing cancer patients prior to and post NCT highlighted 321 significant miRNAs (among them miR-34a, p-value of 1.2 × 10−23). Our results also suggest that changes in miRNA expression during NCT may have predictive potential to predict pathological complete response (pCR). In conclusion we report that miRNA expression measured from blood facilitates early and minimally-invasive diagnosis of basal-like TNBC. We also demonstrate that NCT has a significant influence on miRNA expression. Finally, we show that blood-borne miRNA profiles monitored over time have potential to predict pCR.
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30
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Wang JM, Qiu Y, Yang Z, Kim H, Qian Q, Sun Q, Zhang C, Yin L, Fang D, Back SH, Kaufman RJ, Yang L, Zhang K. IRE1α prevents hepatic steatosis by processing and promoting the degradation of select microRNAs. Sci Signal 2018; 11:11/530/eaao4617. [PMID: 29764990 DOI: 10.1126/scisignal.aao4617] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Obesity or a high-fat diet represses the endoribonuclease activity of inositol-requiring enzyme 1α (IRE1α), a transducer of the unfolded protein response (UPR) in cells under endoplasmic reticulum (ER) stress. An impaired UPR is associated with hepatic steatosis and nonalcoholic fatty liver disease (NAFLD), which is caused by lipid accumulation in the liver. We found that IRE1α was critical to maintaining lipid homeostasis in the liver by repressing the biogenesis of microRNAs (miRNAs) that regulate lipid mobilization. In mice fed normal chow, the endoribonuclease function of IRE1α processed a subset of precursor miRNAs in the liver, including those of the miR-200 and miR-34 families, such that IRE1α promoted their degradation through the process of regulated IRE1-dependent decay (RIDD). A high-fat diet in mice or hepatic steatosis in patients was associated with the S-nitrosylation of IRE1α and inactivation of its endoribonuclease activity. This resulted in an increased abundance of these miRNA families in the liver and, consequently, a decreased abundance of their targets, which included peroxisome proliferator-activated receptor α (PPARα) and the deacetylase sirtuin 1 (SIRT1), regulators of fatty acid oxidation and triglyceride lipolysis. IRE1α deficiency exacerbated hepatic steatosis in mice. The abundance of the miR-200 and miR-34 families was also increased in cultured, lipid-overloaded hepatocytes and in the livers of patients with hepatic steatosis. Our findings reveal a mechanism by which IRE1α maintains lipid homeostasis through its regulation of miRNAs, a regulatory pathway distinct from the canonical IRE1α-UPR pathway under acute ER stress.
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Affiliation(s)
- Jie-Mei Wang
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI 48201, USA. .,Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, MI 48201, USA
| | - Yining Qiu
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Zhao Yang
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Hyunbae Kim
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Qingwen Qian
- Department of Anatomy and Cell Biology, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
| | - Qinghua Sun
- Division of Environmental Health Sciences, College of Public Health, Ohio State University, Columbus, OH 43210, USA
| | - Chunbin Zhang
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Lei Yin
- Department of Molecular and Integrative Physiology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Deyu Fang
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Sung Hong Back
- School of Biological Sciences, University of Ulsan, Ulsan 680-749, Republic of Korea
| | - Randal J Kaufman
- Degenerative Diseases Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Ling Yang
- Department of Anatomy and Cell Biology, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA.
| | - Kezhong Zhang
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI 48201, USA. .,Department of Biochemistry, Microbiology, and Immunology, Wayne State University School of Medicine, Detroit, MI 48201, USA
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Li H, Zhao J. let-7d suppresses proliferation and invasion and promotes apoptosis of meningioma by targeting AEG-1. Onco Targets Ther 2017; 10:4895-4904. [PMID: 29070952 PMCID: PMC5640403 DOI: 10.2147/ott.s141008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND let-7d has been indicated to act as a tumor suppressor in various cancers. However, the function and molecular mechanism of let-7d in meningioma progression have not been elucidated. MATERIALS AND METHODS Quantitative real-time polymerase chain reaction (qRT-PCR) was performed to detect the expression levels of let-7d and AEG-1 mRNA in meningioma tissues and cell lines. The protein level of AEG-1 was measured by Western blot analysis. MTT assay, Transwell invasion assay and flow cytometry analysis were carried out to determine the proliferation, invasion and apoptosis of IOMM-Lee and CH-157MN cells, respectively. Target gene of let-7d was verified by luciferase reporter analysis. RESULTS let-7d expression was downregulated, and AEG-1 expression was upregulated in meningioma tumor tissues. let-7d overexpression suppressed proliferation and invasion and induced apoptosis in IOMM-Lee and CH-157MN cells. Moreover, AEG-1 was a direct target of let-7d. Restoration of AEG-1 expression reversed let-7d-mediated suppression of the proliferation and invasion and let-7d-induced apoptosis in IOMM-Lee and CH-157MN cells. CONCLUSION let-7d repressed proliferation and invasion and promoted apoptosis of meningioma cells by targeting AEG-1. The present study provided a better understanding of the meningioma pathogenesis and a promising therapeutic target for meningioma patients.
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Affiliation(s)
- Hui Li
- Department of Neurology, Xinxiang Central Hospital, Xinxiang, China
| | - Jianmin Zhao
- Department of Neurology, Xinxiang Central Hospital, Xinxiang, China
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32
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Ding N, Wu H, Tao T, Peng E. NEAT1 regulates cell proliferation and apoptosis of ovarian cancer by miR-34a-5p/BCL2. Onco Targets Ther 2017; 10:4905-4915. [PMID: 29062236 PMCID: PMC5640398 DOI: 10.2147/ott.s142446] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Background Nuclear enriched abundant transcript 1 (NEAT1) has been demonstrated to act as a tumor inhibitor in many cancers. However, the role of NEAT1 in the development of ovarian cancer (OC) remains far from being elaborated. Hence, the aim of this study is to investigate the expression and function of NEAT1 in OC. Materials and methods The expression level of NEAT1 was determined by quantitative real-time polymerase chain reaction in OC cell lines. MTT assay, caspase-3 activity assay, and flow cytometry analysis were conducted to investigate the effects of NEAT1, miR-34a-5p, or B-cell lymphoma-2 (BCL2) on OC cell proliferation and apoptosis. Luciferase reporter assay was used to confirm the interaction of NEAT1, BCL2, and miR-34a-5p in OC cells. Results NEAT1 was significantly upregulated in OC cell lines. NEAT1 overexpression promoted proliferation by increasing the proportion of cells in S phase and suppressed apoptosis of OC cells, while knockdown of NEAT1 had the opposite effect. In addition, NEAT1 was demonstrated to directly interact with miR-34a-5p and exert its oncogenic role in OC by negatively regulating miR-34a-5p. Moreover, miR-34a-5p could directly target BCL2 and suppressed its expression. miR-34a-5p overexpression suppressed OC cell proliferation and triggered apoptosis by targeting BCL2. Furthermore, NEAT1 knockdown suppressed BCL2 expression, while anti-miR-34a-5p dramatically abated the inhibitory effect of si-NEAT1 on BCL2 expression. Conclusion NEAT1 regulated proliferation and apoptosis of OC cells by miR-34a-5p/BCL2, providing a potential therapeutic approach for the treatment of OC patients.
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Affiliation(s)
- Nan Ding
- Department of Obstetrics and Gynecology, Henan Provincial People's Hospital
| | - Haiying Wu
- Department of Obstetrics and Gynecology, Henan Provincial People's Hospital
| | - Tao Tao
- Department of Obstetrics and Gynecology, Henan Provincial People's Hospital
| | - Erxuan Peng
- Department of Obstetrics and Gynecology, Henan Provincial Tumor Hospital, Zhengzhou, China
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Lewinska A, Adamczyk-Grochala J, Kwasniewicz E, Deregowska A, Semik E, Zabek T, Wnuk M. Reduced levels of methyltransferase DNMT2 sensitize human fibroblasts to oxidative stress and DNA damage that is accompanied by changes in proliferation-related miRNA expression. Redox Biol 2017; 14:20-34. [PMID: 28843151 PMCID: PMC5568885 DOI: 10.1016/j.redox.2017.08.012] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/11/2017] [Accepted: 08/18/2017] [Indexed: 01/09/2023] Open
Abstract
Methyltransferase DNMT2 is suggested to be involved in the regulation of numerous processes, however its biological significance and underlying molecular mechanisms remain elusive. In the present study, we have used WI-38 and BJ human fibroblasts as an in vitro model system to investigate the effects of siRNA-based DNMT2 silencing. DNMT2-depleted cells were found to be sensitive to oxidative stress conditions as judged by increased production of reactive oxygen species and susceptible to DNA damage that resulted in the inhibition of cell proliferation. DNMT2 silencing promoted upregulation of proliferation-related and tumor suppressor miRNAs, namely miR-28-3p, miR-34a-3p, miR-30b-5p, miR-29b-3p, miR-200c-3p, miR-28-5p, miR-379-5p, miR-382-5p, miR-194-5p, miR-193b-3p and miR-409-3p. Moreover, DNMT2 silencing induced cellular senescence and DNMT2 levels were elevated in replicatively senescent cells. Taken together, we found that DNMT2 may take part in the regulation of cell proliferation and longevity in human fibroblasts and speculate that the manipulation of DNMT2 levels that limits cell proliferation may be potentially useful anticancer strategy. DNMT2 silencing promotes oxidative stress and DNA damage in human fibroblasts. DNMT2 silencing results in upregulation of proliferation-related miRNAs. DNMT2 silencing inhibits cell proliferation and induces cellular senescence. DNMT2 levels are elevated during replicative senescence. DNMT2 is a novel regulator of cell proliferation and longevity in human fibroblasts.
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Affiliation(s)
- Anna Lewinska
- Laboratory of Cell Biology, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland.
| | | | - Ewa Kwasniewicz
- Laboratory of Cell Biology, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
| | - Anna Deregowska
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland; Department of Genetics, University of Rzeszow, Rzeszow, Poland
| | - Ewelina Semik
- Laboratory of Genomics, National Research Institute of Animal Production, Balice n. Cracow, Poland
| | - Tomasz Zabek
- Laboratory of Genomics, National Research Institute of Animal Production, Balice n. Cracow, Poland
| | - Maciej Wnuk
- Department of Genetics, University of Rzeszow, Rzeszow, Poland
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Abstract
Human cancers are characterized by a number of hallmarks, including sustained proliferative signaling, evasion of growth suppressors, activated invasion and metastasis, replicative immortality, angiogenesis, resistance to cell death, and evasion of immune destruction. As microRNAs (miRNAs) are deregulated in virtually all human cancers, they show involvement in each of the cancer hallmarks as well. In this chapter, we describe the involvement of miRNAs in cancer from a cancer hallmarks and targeted therapeutics point of view. As no miRNA-based cancer therapeutics are available to date, and the only clinical trial on miRNA-based cancer therapeutics (MRX34) was terminated prematurely due to serious adverse events, we are focusing on protein-coding miRNA targets for which targeted therapeutics in oncology are already approved by the FDA. For each of the cancer hallmarks, we selected major protein-coding players and describe the miRNAs that target them.
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Affiliation(s)
| | - George A Calin
- The University of Texas MD Anderson Cancer Center, Houston, TX, United States; Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX, United States.
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