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https://www.readbyqxmd.com/read/28093478/long-non-coding-rna-malat1-regulates-cerebrovascular-pathologies-in-ischemic-stroke
#1
Xuejing Zhang, Xuelian Tang, Kai Liu, Milton H Hamblin, Ke-Jie Yin
: The study is designed to determine the role of long non-coding RNA (lncRNA), metastasis associated lung adenocarcinoma transcript 1 (Malat1), in ischemic stroke outcome. Primary mouse brain microvascular endothelial cells (BMECs) were cultured and treated with Malat1 GapmeR prior to 16h oxygen and glucose depravation (OGD). Cell death was assayed by LDH and MTT methods. Malat1 knockout and wildtype mice were subjected to 1h of middle cerebral artery occlusion (MCAO) and 24-72h of reperfusion...
January 16, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28086904/the-lncrna-crnde-promotes-colorectal-cancer-cell-proliferation-and-chemoresistance-via-mir-181a-5p-mediated-regulation-of-wnt-%C3%AE-catenin-signaling
#2
Peng Han, Jing-Wen Li, Bo-Miao Zhang, Jia-Chen Lv, Yong-Min Li, Xin-Yue Gu, Zhi-Wei Yu, Yun-He Jia, Xue-Feng Bai, Li Li, Yan-Long Liu, Bin-Bin Cui
BACKGROUND: With more than 600,000 mortalities each year, colorectal cancer (CRC) is the third most commonly diagnosed type of cancer worldwide. Recently, mechanisms involving noncoding RNAs have been implicated in the development of CRC. METHODS: We examined expression levels of lncRNA CRNDE and miR-181a-5p in 64 cases of CRC tissues and cell lines by qRT-PCR. Gain-of-function and loss-of-function assays were performed to examine the effect of CRNDE and miR-181a-5p on proliferation and chemoresistance of CRC cells...
January 13, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28079712/a-comprehensive-review-of-genomics-and-noncoding-rna-in-gliomas
#3
Ahmed Hassan, Jennifer Mosley, Sanjay Singh, Pascal Olivier Zinn
Glioblastoma (GBM) is the most malignant primary adult brain tumor. In spite of our greater understanding of the biology of GBMs, clinical outcome of GBM patients remains poor, as their median survival with best available treatment is 12 to 18 months. Recent efforts of The Cancer Genome Atlas (TCGA) have subgrouped patients into 4 molecular/transcriptional subgroups: proneural, neural, classical, and mesenchymal. Continuing efforts are underway to provide a comprehensive map of the heterogeneous makeup of GBM to include noncoding transcripts, genetic mutations, and their associations to clinical outcome...
January 11, 2017: Topics in Magnetic Resonance Imaging: TMRI
https://www.readbyqxmd.com/read/28063931/long-noncoding-rna-h19-derived-mir-675-aggravates-restenosis-by-targeting-pten
#4
Junyuan Lv, Lei Wang, Jin Zhang, Ruoran Lin, Lun Wang, Weifeng Sun, Huize Wu, Shijie Xin
Restenosis is mainly attributed to excessive proliferation of vascular smooth muscle cells (VSMCs). Noncoding RNAs have been identified as key regulators of diverse pathological processes. We reported that the long noncoding RNA H19 (LncRNA H19) and LncRNA H19-derived microRNA (miR-675) are overexpressed in neointima of balloon-injured artery. Thus, the present study aims to evaluate the role of LncRNA H19 on VSMCs proliferation. To determine the changes of LncRNA H19 and miR-675 expression in the injured arterial wall, the standard rat carotid artery balloon injury model was used...
January 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28063065/effects-of-long-noncoding-rna-ror-on-tamoxifen-resistance-of-breast-cancer-cells-by-regulating-microrna-205
#5
Hong-Yan Zhang, Feng Liang, Jian-Wei Zhang, Fei Wang, Li Wang, Xi-Gang Kang
PURPOSE: To explore how long noncoding RNA-ROR (lncRNA-ROR) affects the tamoxifen resistance of breast cancer cells. METHODS: Breast epithelial (MCF10A), breast cancer (MCF7), and natural tamoxifen-resistant breast cancer (MDA-MB-231) cell lines were selected, and the relative lncRNA-ROR expressions were detected using quantitative real-time polymerase chain reaction (qRT-PCR). In vitro induction of TR5 cell line was performed. There were six groups: MCF7, MCF7/TR5, MDA-MB-231, MCF7-ROR, MCF7/TR5 ROR-siRNA, and the MDA-MB-231 ROR-siRNA groups...
January 6, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28058582/genome-wide-dna-methylation-patterns-analysis-of-noncoding-rnas-in-temporal-lobe-epilepsy-patients
#6
Wenbiao Xiao, Yuze Cao, Hongyu Long, Zhaohui Luo, Shuyu Li, Na Deng, Jianjian Wang, Xiaoyan Lu, Tianfeng Wang, Shangwei Ning, Lihua Wang, Bo Xiao
Temporal lobe epilepsy (TLE) is the most common form of adult epilepsy and frequently evolving drug resistance. Although there is growing consensus that noncoding ribonucleic acids (ncRNAs) are modulators of TLE, the knowledge about the deoxyribonucleic acid (DNA) methylation patterns of ncRNAs in TLE remains limited. In the current study, we constructed DNA methylation profiles from 30 TLE patients and 30 healthy controls for ncRNAs, primarily focusing on long ncRNAs (lncRNAs) and microRNAs (miRNAs), by reannotating data of DNA methylation BeadChip...
January 5, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28053623/lncrna-taurine-upregulated-gene-1-promotes-cell-proliferation-by-inhibiting-microrna-9-in-mcf-7-cells
#7
Xiao-Bo Zhao, Guo-Sheng Ren
PURPOSE: This study was designed to investigate the role of taurine-upregulated gene 1 (TUG1) in MCF-7 breast cancer cells and the molecular mechanism involved in the regulation of microRNA-9 (miR-9). METHODS: The expression of TUG1 in breast cancer tissues and cells was evaluated using quantitative reverse transcription polymerase chain reaction. Cell viability was examined using a 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay; cell cycle progression and apoptosis were analyzed using flow cytometry...
December 2016: Journal of Breast Cancer
https://www.readbyqxmd.com/read/28049499/circular-rnas-in-cancer-an-emerging-key-player
#8
REVIEW
Yeping Dong, Dan He, Zhenzi Peng, Wei Peng, Wenwen Shi, Jun Wang, Bin Li, Chunfang Zhang, Chaojun Duan
Circular RNAs (circRNAs) are a class of endogendous RNAs that form a covalently closed continuous loop and exist extensively in mammalian cells. Majority of circRNAs are conserved across species and often show tissue/developmental stage-specific expression. CircRNAs were first thought to be the result of splicing error; however, subsequent research shows that circRNAs can function as microRNA (miRNA) sponges and regulate splicing and transcription. Emerging evidence shows that circRNAs possess closely associated with human diseases, especially cancers, and may serve as better biomarkers...
January 3, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28043146/microarray-analysis-of-long-non-coding-rnas-related-to-microrna-148b-in-gastric-cancer
#9
Y Song, J Sun, Y Xu, J Liu, P Gao, X Chen, J Zhao, Z Wang
The miR-148/152 family (miR-148a, miR-148b, miR-152) is differentially expressed in gastric cancer tissues and non-tumor tissues. Our previous studies indicated that miR-148/152 family is important in the tumorigenesis and development of gastric cancer. We also found several target genes that were regulated by the miR-148/152 family and several factors that could influence members of this family. However, the molecular mechanisms and function of this family in gastric cancer remain unclear. Recently, long non-coding RNAs (lncRNAs) have been found to play an important role in the pathogenesis of many diseases...
January 3, 2017: Neoplasma
https://www.readbyqxmd.com/read/28031721/long-noncoding-rna-malat1-regulated-microrna-506-modulates-ovarian-cancer-growth-by-targeting-iaspp
#10
Ruilin Lei, Min Xue, Lan Zhang, ZhongQiu Lin
MALAT1, an important cancer-associated long noncoding RNA (lncRNA), contributes to the development and progression of several cancers. Disordered expression of MALAT1 has been observed in several cancers, including cervical cancer, breast cancer, and ovarian cancer. However, the exact effects and molecular mechanisms of MALAT1 in ovarian cancer progression are still unknown. Here, we investigated the role of MALAT1 in human ovarian cancer cell lines and clinical tumor samples, in order to determine the function of this molecule...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27992370/the-crosstalk-between-lncrna-and-microrna-in-cancer-metastasis-orchestrating-the-epithelial-mesenchymal-plasticity
#11
REVIEW
Ming-Xin Cao, Ya-Ping Jiang, Ya-Ling Tang, Xin-Hua Liang
Noncoding RNAs (ncRNAs) have been demonstrated to closely associate with gene regulation and encompass the well-known microRNAs (miRNAs), as well as the most recently acknowledged long noncoding RNAs (lncRNAs). Current evidence indicates that lncRNAs can interact with miRNAs and these interactions play crucial roles in cancer metastasis, through regulating critical events especially the epithelial-mesenchymal transition (EMT). This review summarizes the types of lncRNA-miRNA crosstalk identified to-date and discusses their influence on the epithelial-mesenchymal plasticity and clinical metastatic implication...
December 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27974506/ionizing-radiation-regulates-long-non-coding-rnas-in-human-peripheral-blood-mononuclear-cells
#12
Lucian Beer, Lucas Nemec, Tanja Wagner, Robin Ristl, Lukas M Altenburger, Hendrik Jan Ankersmit, Michael Mildner
Long non-coding RNAs (lncRNAs) are non-protein coding transcripts that modulate mRNA and microRNA (miRNA) expression, thereby controlling multiple cellular processes, including transcriptional regulation of gene expression, cell differentiation and apoptosis. Ionizing radiation (IR), a strong cellular stressor, is known to influence gene expression of irradiated cells, mainly by activation of oxidative processes. Whether and how IR also affects lncRNA expression in human peripheral blood mononuclear cells (PBMCs) is still poorly understood...
December 14, 2016: Journal of Radiation Research
https://www.readbyqxmd.com/read/27956498/h3k27-acetylation-activated-long-non-coding-rna-ccat1-affects-cell-proliferation-and-migration-by-regulating-spry4-and-hoxb13-expression-in-esophageal-squamous-cell-carcinoma
#13
Erbao Zhang, Liang Han, Dandan Yin, Xuezhi He, Linzhi Hong, Xinxin Si, Mantang Qiu, Tongpeng Xu, Wei De, Lin Xu, Yongqian Shu, Jinfei Chen
Recently, long non-coding RNAs (lncRNAs) have been shown to have important regulatory roles in human cancer biology. In our study, we found that lncRNA CCAT1, whose expression is significantly increased and is correlated with outcomes in Esophageal Squamous Cell Carcinoma (ESCC). Consecutive experiments confirmed that H3K27-acetylation could activate expression of colon cancer associated transcript-1 (CCAT1). Further experiments revealed that CCAT1 knockdown significantly repressed the proliferation and migration both in vitro and in vivo RNA-seq analysis revealed that CCAT1 knockdown preferentially affected genes that are linked to cell proliferation, cell migration and cell adhesion...
December 11, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27956246/global-profiling-of-viral-and-cellular-non-coding-rnas-in-epstein-barr-virus-induced-lymphoblastoid-cell-lines-and-released-exosome-cargos
#14
Alessia Gallo, Serena Vella, Monica Miele, Francesca Timoneri, Mariangela Di Bella, Silvia Bosi, Marco Sciveres, Pier Giulio Conaldi
The human EBV-transformed lymphoblastoid cell line (LCL), obtained by infecting peripheral blood monocular cells with Epstein-Barr Virus, has been extensively used for human genetic, pharmacogenomic, and immunologic studies. Recently, the role of exosomes has also been indicated as crucial in the crosstalk between EBV and the host microenvironment. Because the role that the LCL and LCL exosomal cargo might play in maintaining persistent infection, and since little is known regarding the non-coding RNAs of LCL, the aim of our work was the comprehensive characterization of this class of RNA, cellular and viral miRNAs, and cellular lncRNAs, in LCL compared with PBMC derived from the same donors...
December 10, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27936492/lncrna-a-versatile-regulator-of-the-nf-%C3%AE%C2%BAb-signaling-circuit
#15
REVIEW
Xiaohua Mao, Zhenyi Su, Adnan K Mookhtiar
The Nuclear Factor-κB (NF-κB) family of transcription factors play an essential role for the regulation of inflammatory responses, immune function and malignant transformation. Aberrant activity of this signaling pathway may lead to inflammation, autoimmune diseases and oncogenesis. Over the last two decades great progress has been made in the understanding of NF-κB activation and how the response is counteracted for maintaining tissue homeostasis. Therapeutic targeting of this pathway has largely remained ineffective due to the widespread role of this vital pathway and the lack of specificity of the therapies currently available...
December 9, 2016: Immunology
https://www.readbyqxmd.com/read/27936097/petmbase-a-database-of-plant-endogenous-target-mimics-etms
#16
Gökhan Karakülah, Kuaybe Yücebilgili Kurtoğlu, Turgay Unver
MicroRNAs (miRNA) are small endogenous RNA molecules, which regulate target gene expression at post-transcriptional level. Besides, miRNA activity can be controlled by a newly discovered regulatory mechanism called endogenous target mimicry (eTM). In target mimicry, eTMs bind to the corresponding miRNAs to block the binding of specific transcript leading to increase mRNA expression. Thus, miRNA-eTM-target-mRNA regulation modules involving a wide range of biological processes; an increasing need for a comprehensive eTM database arose...
2016: PloS One
https://www.readbyqxmd.com/read/27928018/expression-of-the-antisense-to-latency-transcript-long-noncoding-rna-in-kaposi-s-sarcoma-associated-herpesvirus
#17
Jason M Schifano, Kathleen Corcoran, Hemant Kelkar, Dirk P Dittmer
: The regulation of latency is central to herpesvirus biology. Recent transcriptome-wide surveys have uncovered evidence for promiscuous transcription across the entirety of the Kaposi sarcoma-associated herpesvirus genome and postulated the existence of multiple viral long noncoding RNAs (lncRNAs). NextGen sequencing studies are highly dependent on the specific experimental approach and particular algorithms of analysis, and therefore benefit from independent confirmation of the results...
December 7, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27916857/in-silico-characterization-of-mirna-and-long-non-coding-rna-interplay-in-multiple-myeloma
#18
Domenica Ronchetti, Martina Manzoni, Katia Todoerti, Antonino Neri, Luca Agnelli
The identification of deregulated microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) in multiple myeloma (MM) has progressively added a further level of complexity to MM biology. In addition, the cross-regulation between lncRNAs and miRNAs has begun to emerge, and theoretical and experimental studies have demonstrated the competing endogenous RNA (ceRNA) activity of lncRNAs as natural miRNA decoys in pathophysiological conditions, including cancer. Currently, information concerning lncRNA and miRNA interplay in MM is virtually absent...
November 29, 2016: Genes
https://www.readbyqxmd.com/read/27902487/identification-of-laryngeal-cancer-prognostic-biomarkers-using-an-inflammatory-gene-related-competitive-endogenous-rna-network
#19
Qun He, Linli Tian, Hao Jiang, Jiarui Zhang, Qiang Li, Yanan Sun, Jiannan Zhao, Huijun Li, Ming Liu
Competitive endogenous RNAs (ceRNAs) act as molecular sponges for microRNAs (miRNAs), and are associated with tumorigenesis in various cancers, including laryngeal cancer (LC). In this work, we constructed an LC-specific inflammatory gene-related ceRNA network (IceNet). In IceNet, ceRNAs targeting inflammation-related genes tended to be network hubs. Additionally, the betweenness centralities of these hub ceRNAs were higher than those of the inflammation-related genes themselves, indicating that the hub ceRNAs in this study played critical roles in communication between IceNet molecules...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27895772/hotair-a-long-non-coding-rna-driver-of-malignancy-whose-expression-is-activated-by-foxc1-negatively-regulates-mirna-1-in-hepatocellular-carcinoma
#20
Dong-Na Su, Shi-Pin Wu, Hong-Tao Chen, Jin-Hua He
Evidence is rapidly accumulating that long non-coding RNAs (lncRNAs) are involved in human tumorigenesis and are dysregulated in multiple cancers, including hepatocellular carcinoma (HCC). lncRNAs can regulate essential pathways that contribute to tumor initiation and progression with tissue specificity, which suggests that lncRNAs may be valuable biomarkers and therapeutic targets. HOX transcript antisense intergenic RNA (HOTAIR) has previously been demonstrated to be an oncogene and a negative prognostic factor in a variety of cancers; however, the factors that contribute to the upregulation of HOTAIR and the interaction between HOTAIR and microRNAs (miRNAs or miRs) are largely unknown...
November 2016: Oncology Letters
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