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miR-218

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https://www.readbyqxmd.com/read/28919376/microrna-218-5p-as-a-potential-target-for-the-treatment-of-human-osteoarthritis
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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...
September 5, 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
#7
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...
August 31, 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
#8
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
#9
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
https://www.readbyqxmd.com/read/28767432/identification-of-micrornas-as-potential-biomarkers-for-lung-adenocarcinoma-using-integrating-genomics-analysis
#10
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...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28743667/integrative-analysis-of-mrna-and-mirna-expression-profiles-in-oral-lichen-planus-preliminary-results
#11
Junjun Chen, Guanhuan Du, Yufeng Wang, Linjun Shi, Jun Mi, Guoyao Tang
OBJECTIVE: Oral lichen planus (OLP), a chronic inflammatory disease of unknown etiology, is considered a potentially malignant oral disorder. The aim of the present study was to analyze candidate microRNAs (miRNAs) and genes from patients with OLP and healthy controls (HCs). STUDY DESIGN: Biopsy specimens of the oral mucosa were collected from patients with OLP (n = 9) and from HCs (n = 4). Differentially expressed miRNAs and differentially expressed genes were screened by using next-generation sequencing with DESeq and edgeR software algorithms...
June 8, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28738960/-mir-218-inhibits-migration-and-invasion-of-lung-cancer-cell-%C3%A2-by-regulating-robo1-expression
#12
Ping Chen, Yunlong Zhao, Yingjie Li
BACKGROUND: To explore the function and the potential molecular mechanism of miR-218 in lung cancer cell. METHODS: The expression of miR-218 mRNA was determined by real-time PCR in lung cancer tissues, adjacent tissues and lung cancer cells. Transwell assay was used to detect the migration and invasion of A549 cell after transfected with Anti-miR-218 or negative control and HC4006 cell after transfected with miR-218 mimics and miR-218 negative control. Targetscan and MiRanda were used to calculate the potential targets of miR-218 and Luciferase reporter assay was performed to identify that the Robo1 was one target genes of miR-218...
July 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28665359/estrogen-promotes-hepatic-synthesis-of-long-chain-polyunsaturated-fatty-acids-by-regulating-elovl5-at-post-transcriptional-level-in-laying-hens
#13
Meng Zhang, Cui-Cui Li, Fang Li, Hong Li, Xiao-Jun Liu, Juan J Loor, Xiang-Tao Kang, Gui-Rong Sun
The very long chain fatty acid elongase (ELOVL) plays an important role in the synthesis of long-chain polyunsaturated fatty acids (LCPUFA). Previous studies suggest that chicken could be an alternate source of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). In this study, we detected that ELOVL5, which plays a key role in the biosynthesis of omega-3 (n-3) and omega-6 (n-6) polyunsaturated fatty acids (PUFA), was highly expressed in the liver of laying hens and increased rapidly after sexual maturity...
June 30, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28634044/mir-218-suppresses-gastric-cancer-cell-cycle-progression-through-the-cdk6-cyclin-d1-e2f1-axis-in-a-feedback-loop
#14
Min Deng, Chao Zeng, Xihong Lu, Xiusheng He, Ruixin Zhang, Qinwei Qiu, Guopei Zheng, Xiaoting Jia, Hao Liu, Zhimin He
Studies in several cancers have suggested that miR-218 has anti-tumor activities, but its function is yet to be elucidated. In this study, we investigated the regulation and function of miR-218 (miR-218-5p) in the cell cycle progression of gastric cancer (GC). We found that miR-218 could suppress proliferation of gastric cancer cells, induce cell cycle arrest at the G1 phase and inhibit tumor growth and metastasis in vivo. We also demonstrated that miR-218 specifically targeted the 3'-UTR regions of CDK6 and cyclin D1 and inhibited the expression of these molecules, which in turn repressed the pRb/E2F1 signaling pathway...
September 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28631575/long-non-coding-rna-ccat1-mir-218-zfx-axis-modulates-the-progression-of-laryngeal-squamous-cell-cancer
#15
Yaming Zhang, Haili Hu
Long non-coding RNAs have been proved to be closely associated with different cancers. This study was designed to elucidate the function and mechanisms of colon cancer-associated transcript-1 in the progression of human laryngeal squamous cell cancer. Expressions of colon cancer-associated transcript-1, microRNA-218, and zinc finger protein, X-linked messenger RNA were measured using quantitative real-time polymerase chain reaction, and the expression level of zinc finger protein, X-linked protein was detected using western blot...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28615508/integrative-bioinformatics-analysis-identifies-robo1-as-a-potential-therapeutic-target-modified-by-mir-218-in-hepatocellular-carcinoma
#16
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...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28598283/identification-of-micrornas-by-microarray-analysis-and-prediction-of-target-genes-involved-in-the-osteogenic-differentiation-of-human-periodontal-ligament-stem-cells
#17
Yilin Hao, Yihong Ge, Jianjia Li, Yanwei Hu, Buling Wu, Fuchun Fang
BACKGROUND: The roles of microRNAs (miRNAs) in the osteogenic differentiation of human periodontal ligament stem cells (hPDLSCs) remain largely unexplored. In our study, the underlying molecular mechanism of osteogenic differentiation in hPDLSCs was investigated using miRNA profiling. METHODS: The miRNA expression profile during osteogenic differentiation was analyzed using a microarray. Target genes of miRNAs with at least a 2-fold change in expression (P value < 0...
June 9, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28598082/-expression-of-micro-rna-218-in-cervical-cancer-and-its-effect-on-proliferation-apoptosis-and-invasion-of-hela-cells
#18
Yu-Rong Shi, Jian Liu, Wei He, Yin Yang
OBJECTIVES: To investigate the expression and clinical significance of microRNA-218(miR-218)in human cervical cancer and the effects ofmiR-218 on proliferation, cell apoptosis and invasion of HeLa cells. METHODS: QRT-PCR was used to detect the expression ofmiR-218 in 23 cases of normal cervical tissues and 114 cases of cervical cancer, and the relationship between the expression and the clinicopathological features was analyzed; HeLa cells were devided into three groups: non transfection (control group), transfected with empty liposomes negative control goup (NC group), transfected with miR-218 mimic (miR-218M group)...
September 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28589873/human-cytomegalovirus-micrornas-are-carried-by-virions-and-dense-bodies-and-are-delivered-to-target-cells
#19
Abdul-Aleem Mohammad, Helena Costa, Natalia Landázuri, Weng-Onn Lui, Kjell Hultenby, Afsar Rahbar, Koon-Chu Yaiw, Cecilia Söderberg-Nauclér
Human cytomegalovirus (HCMV) infection results in the production of virions, dense bodies (DBs) and non-infectious enveloped particles, all of which incorporate proteins and RNAs that can be transferred to host cells. Here, we investigated whether virions and DBs also carry microRNAs (miRNAs) and assessed their delivery and functionality in cells. Human lung fibroblasts (MRC-5) were infected with the HCMV strain AD169, and conditioned cell culture medium was collected and centrifuged. The pellets were treated with RNase-ONE, and the virions and DBs were purified with a potassium tartrate-glycerol gradient and dialysed...
May 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28574835/prognostic-micrornas-in-upper-tract-urothelial-carcinoma-multicenter-and-international-validation-study
#20
Laura Izquierdo, Ruth Montalbo, Mercedes Ingelmo-Torres, Carme Mallofré, Miguel Ramírez-Backhaus, Jose Rubio, Antoine G Van der Heijden, Ewout Schaafsma, Antonio Lopez-Beltran, A 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...
May 16, 2017: Oncotarget
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