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miR-218

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https://www.readbyqxmd.com/read/29145210/diphthamide-biosynthesis-1-is-a-novel-oncogene-in-colorectal-cancer-cells-and-is-regulated-by-mir-218-5p
#1
Minghui Liu, Kai Yin, Xu Guo, Huijin Feng, Min Yuan, Yanqing Liu, Jianguo Zhang, Baoliang Guo, Chen Wang, Guangxin Zhou, Zhen Zhou, Chen-Yu Zhang, Xi Chen
BACKGROUND/AIMS: This study focused on the oncogenic role of Diphthamide biosynthesis 1 (DPH1) in colorectal cancer (CRC) cells. METHODS: The expression of DPH1 was determined by quantitative RT-PCR analysis and western blotting in CRC tissues. The role of DPH1 in CRC cells was investigated via cell viability and invasion assays under the condition of DPH1 silencing or overexpression. Bioinformatics analysis and luciferase reporter analysis were used to identify the upstream microRNA which might regulate DPH1...
November 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29138857/mir%C3%A2-218-inhibits-the-proliferation-of-human-glioma-cells-through-downregulation-of-yin-yang-1
#2
Yong Gao, Laisheng Sun, Zicheng Wu, Chengmin Xuan, Junxia Zhang, Yongping You, Xincheng Chen
Malignant glioma is the most common cancer type of the nervous system and the mechanisms driving the occurrence and development remain unclear, preventing effective treatment of this disease. Therefore, novel and efficient therapies for glioma are required. MicroRNAs (miRNAs) are small non‑coding RNAs that act as oncogenes or tumor suppressors in human cancer. In the present study, it was confirmed that Yin Yang‑1 (YY1), a transcription factor that is part of the polycomb group protein (PcG) family, is a direct target of miR‑218 in human glioma cells...
November 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29096355/the-long-non-coding-rna-malat1-interacted-with-mir-218-modulates-choriocarcinoma-growth-by-targeting-fbxw8
#3
Dazun Shi, Yu Zhang, Rong Lu, Yi Zhang
Among the first found cancer-related long non-coding RNAs (lncRNAs), MALAT1 is one that involves in the development and progression of some tumors. MALAT1 can be aberrantly expressed in hepatocellular carcinoma, cervical, breast, ovarian cancers, as well as colorectal cancer. The paper aims to make certain the function of MALAT1 in human choriocarcinoma cell lines by investigating the detailed effects and molecular mechanisms. Being specifically upregulated in choriocarcinoma cell lines, the under-researched lncRNA-MALAT1 promoted choriocarcinoma cell growth by targeting miR-218...
October 30, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29039590/microrna%C3%A2-218-promotes-prostaglandin-e2-to-inhibit-osteogenic-differentiation-in-synovial-mesenchymal-stem-cells-by-targeting-15%C3%A2-hydroxyprostaglandin-dehydrogenase-nad
#4
Ruijun Cong, Kun Tao, Peiliang Fu, Lieming Lou, Yuchang Zhu, Song Chen, Xinyu Cai, Lingzhou Mao
The chondrogenic differentiation of synovial mesenchymal stem cells (SMSCs) is regulated by essential transcription factors and signaling cascades. However, the precise mechanisms involved in this process remain unclear. MicroRNAs (miRs/miRNAs) are undersized non‑coding RNAs responsible for the post‑transcriptional regulation of gene expression, by binding to the 3'‑untranslated regions (3'‑UTRs) of their target mRNAs. miRNAs may constitute a promising tool to regulate SMSC differentiation and to advance the controlled differentiation of SMSCs in therapeutic applications...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28993685/microrna-profiling-in-lung-tissue-and-bronchoalveolar-lavage-of-cigarette-smoke-exposed-mice-and-in-copd-patients-a-translational-approach
#5
Griet Conickx, Francisco Avila Cobos, Maarten van den Berge, Alen Faiz, Wim Timens, Pieter S Hiemstra, Guy F Joos, Guy G Brusselle, Pieter Mestdagh, Ken R Bracke
Chronic obstructive pulmonary disease (COPD) is characterized by a progressive airflow limitation and is associated with a chronic inflammatory response in both airways and lungs. microRNAs (miRNAs) are often highly conserved between species and have an intricate role within homeostatic conditions and immune responses. Also, miRNAs are dysregulated in smoking-associated diseases. We investigated the miRNA profile of 523 miRNAs by stem-loop RT-qPCR in lung tissue and cell-free bronchoalveolar lavage (BAL) supernatant of mice exposed to air or cigarette smoke (CS) for 4 or 24 weeks...
October 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28980049/effects-of-endogenous-hypercortisolism-on-bone-mrna-and-microrna-expression-in-humans
#6
Z E Belaya, T A Grebennikova, G A Melnichenko, A G Nikitin, A G Solodovnikov, O I Brovkina, A U Grigoriev, L Y Rozhinskaya, I I Dedov
Hypercortisolism in humans suppresses osteoblastogenesis and osteoblast function through the upregulation of Wnt-signaling antagonists (sclerostin, Dkk1) and changes in microRNAs levels (miR-125b-5p, miR-218-5p, miR-34a-5p, miR-188-3p, miR-199a-5p) which are associated with mesenchymal stem-cell commitment to adipocytes or cartilage cells over the osteoblasts. INTRODUCTION: The purpose of this study was to evaluate the responses of bone to chronic glucocorticoid (GC) excess by measuring the levels of selected mRNA and microRNA (miR) in bone samples of patients with Cushing's disease (CD)...
October 4, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28977866/integrative-bioinformatics-analysis-identifies-robo1-as-a-potential-therapeutic-target-modified-by-mir-218-in-hepatocellular-carcinoma
#7
Junqing Wang, Yunyun Zhou, Xiaochun Fei, Xunhua Chen, Rui Chen, Zhenggang Zhu, Yongjun Chen
Patients diagnosed with advanced hepatocellular carcinoma (HCC) presented poor prognosis and short survival time. Althouth accumulating contribution of continuous research has gradually revealed complex tumorigenesis mechanism of HCC with numerous and jumbled biomarkers, those specific ones for HCC diagnose and therapeutic treatment are required illustration. Multiple genes over-expressed in HCC specimens with at least 1.5 fold change were cohorted, compared with the non-cancerous tissues through integrative bioinformatics analysis from Gene Expression Omnibus (GEO) datasets GSE14520 and GSE6764, including 445 and 45 cases of samples spearatly, along with intensive exploration on the Cancer Genome Altas (TCGA) dataset of liver cancer...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28969058/identification-of-micrornas-as-potential-biomarkers-for-lung-adenocarcinoma-using-integrating-genomics-analysis
#8
Zhuo Peng, Longfei Pan, Zequn Niu, Wei Li, Xiaoyan Dang, Lin Wan, Rui Zhang, Shuanying Yang
Lung adenocarcinoma (LUAD) is the most common histological subtype of non-small cell lung cancer, but novel biomarkers for early diagnosis are lacking. Extensive effort has been exerted to identify miRNA biomarkers in LUAD. Unfortunately, high inter-lab variability and small sample sizes have produced inconsistent conclusions in this field. To resolve the above-mentioned limitations, we performed a comprehensive analysis based on LUAD miRNome profiling studies using the robust rank aggregation (RRA) method...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28946559/neat1-negatively-regulates-mir-218-expression-and-promotes-breast-cancer-progression
#9
Dahua Zhao, Ying Zhang, Nana Wang, Ning Yu
BACKGROUND: Studies have shown that lncRNA nuclear paraspeckle assembly transcript 1 (NEAT1) is related to breast cancer progression, however, the role of NEAT1 remains largely unknown. The aim of the current study was to further investigate the function of NEAT1 involved in breast cancer. METHODS: QRT-PCR was used to analyze lncRNA NEAT1 expression in breast cancer tissues and determine the association between NEAT1 and clinicopathologic features in patients. Kaplan-Meier analysis and the log-rank test were used to establish the relationship between NEAT1 and overall survival...
September 7, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28942039/comparative-effect-of-imatinib-and-ponatinib-on-autophagy-and-mirnome-in-chronic-myeloid-leukemia
#10
Cagla Kayabasi, Tugce Balci Okcanoglu, Besra Ozmen Yelken, Aycan Asik, Sunde Yilmaz Susluer, Cigir Biray Avci, Guray Saydam, Cumhur Gunduz
BCR-ABL tyrosine kinase inhibitors (TKIs) are selective therapies for the patients with Chronic Myeloid Leukemia (CML). Imatinib and ponatinib have remarkable long-term efficacy on a major molecular response. Although TKI related induction of cytotoxicity and apoptosis have been clearly investigated in molecular levels, their comparative effect on autophagy and miRNome are largely unknown. This study aimed to investigate the involvement of alterations of miRNA expressions in CML progression, and how imatinib and ponatinib affect this process, by comparing CML, imatinib-resistant CML and leukemia stem cells (LSC)...
December 30, 2017: Gene
https://www.readbyqxmd.com/read/28936884/mir-218-suppresses-epithelial-to-mesenchymal-transition-by-targeting-robo1-and-ecop-in-lung-adenocarcinoma-cells
#11
Ying-Jie Li, Wen Zhang, Hui Xia, Bao-Shi Zhang, Ping Chen, Yun-Long Zhao, Jie Li
AIM: Although, miR-218 has been implicated in epithelial-to-mesenchymal transition process, the detailed mechanisms of miR-218 involvement in epithelial-to-mesenchymal transition in human lung adenocarcinoma cell are still unclear. MATERIALS & METHODS: miR-218 function assays and its target gene analysis were performed. RESULTS: miR-218 suppresses human lung adenocarcinoma cell migration and invasion and inhibits its target gene, Ecop and Robo1 expression, which subsequently suppresses NF-κB activity and its downstream targets...
September 22, 2017: Future Oncology
https://www.readbyqxmd.com/read/28919376/microrna-218-5p-as-a-potential-target-for-the-treatment-of-human-osteoarthritis
#12
Jun Lu, Ming-Liang Ji, Xue-Jun Zhang, Pei-Liang Shi, Hao Wu, Chen Wang, Hee-Jeong Im
Emerging evidence suggests that dysregulated microRNAs (miRNAs) play a pivotal role in osteoarthritis (OA), but the role of specific miRNAs remains unclear. Accordingly, we identified OA-associated miRNAs and functional validation of results. Here, we demonstrate that miR-218-5p is significantly upregulated in moderate and severe OA and correlates with scores on a modified Mankin scale. Through gain-of-function and loss-of-function studies, miR-218-5p was shown to significantly affect matrix synthesis gene expression and chondrocyte proliferation and apoptosis...
August 19, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28918035/lncrna-hotair-contributes-to-5fu-resistance-through-suppressing-mir-218-and-activating-nf-%C3%AE%C2%BAb-ts-signaling-in-colorectal-cancer
#13
Peilong Li, Xin Zhang, Lili Wang, Lutao Du, Yongmei Yang, Tong Liu, Chen Li, Chuanxin Wang
One major reason for the failure of advanced colorectal cancer (CRC) treatment is the occurrence of chemoresistance to fluoropyrimidine (FU)-based chemotherapy. Long non-coding RNA HOTAIR has been considered as a pro-oncogene in multiple cancers. However, the precise functional mechanism of HOTAIR in chemoresistance is not well known. In this study, we investigated the biological and clinical role of HOTAIR in 5FU resistance in CRC. Our results showed that HOTAIR negatively regulated miR-218 expression in CRC through an EZH2-targeting miR-218-2 promoter regulatory axis...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28900081/-mir-218-promoted-the-apoptosis-of-human-ovarian-carcinoma-cells-via-suppression-of-the-wnt-%C3%AE-catenin-signaling-pathway
#14
Y Huang, S-H Liang, L-B Xiang, X-T Han, W Zhang, J Tang, X-H Wu, M-Q Zhang
MicroRNA-218 (miR-218) is a short, noncoding RNA, with multiple biological functions. In this study, we aimed to investigate the potential effects of miR-218 on the apoptosis of human ovarian carcinoma cells and the underlying mechanisms by which miR-218 exerted its actions. After over-expressing miR-218 in human ovarian carcinoma (OVCAR3) cells, cell viability was determined by MTT method, cell apoptosis was observed by flow cytometry (FCM), mRNA expression of miR-218, Bcl2, Bax was measured by RT-PCR and protein expression levels of Wnt, tankyrase and β-catenin were quantified by Western blots...
July 2017: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28899404/extracellular-vesicle-packaged-mirna-release-after-short-term-exposure-to-particulate-matter-is-associated-with-increased-coagulation
#15
Laura Pergoli, Laura Cantone, Chiara Favero, Laura Angelici, Simona Iodice, Eva Pinatel, Mirjam Hoxha, Laura Dioni, Marilena Letizia, Benedetta Albetti, Letizia Tarantini, Federica Rota, Pier Alberto Bertazzi, Amedea Silvia Tirelli, Vincenza Dolo, Andrea Cattaneo, Luisella Vigna, Cristina Battaglia, Michele Carugno, Matteo Bonzini, Angela Cecilia Pesatori, Valentina Bollati
BACKGROUND: Exposure to particulate matter (PM) is associated with increased incidence of cardiovascular disease and increased coagulation, but the molecular mechanisms underlying these associations remain unknown. Obesity may increase susceptibility to the adverse effects of PM exposure, exacerbating the effects on cardiovascular diseases. Extracellular vesicles (EVs), which travel in body fluids and transfer microRNAs (miRNAs) between tissues, might play an important role in PM-induced cardiovascular risk...
August 24, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28881664/prognostic-micrornas-in-upper-tract-urothelial-carcinoma-multicenter-and-international-validation-study
#16
Laura Izquierdo, Ruth Montalbo, Mercedes Ingelmo-Torres, Carme Mallofré, Miguel Ramírez-Backhaus, Jose Rubio, Antoine G Van der Heijden, Ewout Schaafsma, Antonio Lopez-Beltran, Ana Blanca, Nathan Lawrentschuk, Antonio Alcaraz, Lourdes Mengual
OBJECTIVE: To validate previously discovered miRNAs (miR-31-5p and miR-149-5p) as prognostic factors for UTUC in an independent cohort of UTUC patients. PATIENTS AND METHODS: Multicenter, international and retrospective study of formalin-fixed paraffin-embedded tissue samples from 103 UTUC patients (45 progressing and 58 non-progressing) who underwent radical nephroureterectomy. Total RNA was isolated and reverse transcribed. The expression of target miRNAs (miR-31-5p and miR-149-5p) and the endogenous control miR-218-5p was evaluated in all samples by reverse transcription quantitative PCR...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28875333/circulating-pro-angiogenic-and-anti-angiogenic-microrna-expressions-in-patients-with-acute-ischemic-stroke-and-their-association-with-disease-severity
#17
Fuqiang Jin, Jie Xing
The main objectives of this study are to evaluate 28 selected pro-angiogenic and anti-angiogenic microRNA (miRNA) expressions in plasma of acute ischemic stroke (AIS) patients and controls and to assess the correlations of these miRNAs with risk and severity of AIS. In the exploring stage, 10 AIS patients and 10 controls with vascular risk factors were enrolled. And in the validating stage, 106 AIS patients and 110 controls with the same eligibility were recruited. Blood samples were collected from participants within 24 h post the onset of symptoms, and plasma levels of miRNAs were evaluated by the qPCR method...
November 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28864214/microrna-218-acts-by-repressing-tnfr1-mediated-activation-of-nf-%C3%AE%C2%BAb-which-is-involved-in-muc5ac-hyper-production-and-inflammation-in-smoking-induced-bronchiolitis-of-copd
#18
Hui Xu, Qian Sun, Lu Lu, Fei Luo, Liang Zhou, Jianping Liu, Lei Cao, Qiushi Wang, Junchao Xue, Qianlei Yang, Ping Yang, Jiachun Lu, Quanyong Xiang, Qizhan Liu
Dysregulation of microRNAs (miRNAs) has been implicated in the pathogenesis of chronic obstructive pulmonary disease (COPD), which is largely attributable to cigarette smoke (CS). However, little is known about the effect of miRNAs on CS-induced mucus hypersecretion and the inflammatory response in the airway epithelium, which are pathological characteristics of COPD-related chronic bronchiolitis. As determined in the present investigation, population-based data indicate that smokers with COPD had serious airflow obstruction and inflammation, whereas smokers without COPD had mild airflow obstruction and inflammation...
October 5, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28857013/lower-expression-of-mir-218-in-human-breast-cancer-is-associated-with-lymph-node-metastases-higher-grades-and-poorer-prognosis
#19
Fereshteh Ahmadinejad, Seyed Javad Mowla, Mohammad-Amin Honardoost, Mostafa Gholami Arjenaki, Mohammad Moazeni-Bistgani, Soleyman Kheiri, Hossein Teimori
Breast cancer is considered as the most prevalent malignancy in women worldwide. Despite emergence of several prognosticators for better management of patients, there are still limitations for their clinical application due to the complexity of breast tumors, and therefore, new biomarkers for better prognosis of clinical outcomes would be of the great essence. MicroRNAs are highly conserved small non-coding regulatory RNAs involved in post-transcriptional regulating of gene expression during different cellular mechanisms...
August 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28830450/microrna-218-functions-as-a-tumor-suppressor-in-lung-cancer-by-targeting-il-6-stat3-and-negatively-correlates-with-poor-prognosis
#20
Yan Yang, Lili Ding, Qun Hu, Jia Xia, Junjie Sun, Xudong Wang, Hua Xiong, Deepak Gurbani, Lianbo Li, Yan Liu, Aiguo Liu
BACKGROUND: Aberrant expression of microRNAs in different human cancer types has been widely reported. MiR-218 acts as a tumor suppressor in diverse human cancer types impacting regulation of multiple genes in oncogenic pathways. Here, we evaluated the expression and function of miR-218 in human lung cancer and ALDH positive lung cancer cells to understand the potential mechanisms responsible for disease pathology. Also, the association between its host genes and the target genes could be useful towards the better understanding of prognosis in clinical settings...
August 22, 2017: Molecular Cancer
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