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miRNA,long non-coding RNA,

Todd P Michael, Douglas Bryant, Ryan Gutierrez, Nikolai Borisjuk, Philomena Chu, Hanzhong Zhang, Jing Xia, Junfei Zhou, Hai Peng, Moaine El Baidouri, Boudewijn Ten Hallers, Alex R Hastie, Tiffany Liang, Kenneth Acosta, Sarah Gilbert, Connor McEntee, Scott A Jackson, Todd C Mockler, Weixiong Zhang, Eric Lam
Spirodela polyrhiza is a fast-growing aquatic monocot with highly reduced morphology, genome size and number of protein-coding genes. Considering these biological features of Spirodela and its basal position in the monocot lineage, understanding its genome architecture could shed light on plant adaptation and genome evolution. Like many draft genomes, however, the 158 Mbp Spirodela genome sequence has not been resolved to chromosomes and important genome characteristics have not been defined. Here we deployed rapid genome-wide physical maps combined with high-coverage short-read sequencing to resolve the 20 chromosomes of Spirodela and to empirically delineate its genome features...
October 18, 2016: Plant Journal: for Cell and Molecular Biology
Stephen Harrap
Genetic discovery in blood pressure is generally referenced in relation to protein-coding genes, despite the fact that genes less than 2% of the genome. Recent exploration of the DNA sequences between genes, once called "junk" DNA, has revealed a wealth of transcripts for RNA species that do not encode protein. These non-coding RNAs (ncRNAs) have emerged as dynamic managers of the business of the genome, able to coordinate the expression of genes in time and space to achieve the complexities of normal development and growth...
September 2016: Journal of Hypertension
Hao Li, Jizong Zhao, Wen Wang, Lu Zhang, Qing Lan, Jiangfei Wang, Yong Cao, Jizong Zhao
BACKGROUND: Intracranial aneurysm (IA) is a cerebrovascular disorder characterized by an abnormally bulged artery in the brain and subarachnoid hemorrhage caused by IA rupture with a high ratio of fatality and morbidity. However, the genetic etiology of IA remains largely unknown. MATERIALS AND METHODS: A dysregulated lncRNA-associated competing endogenous RNA (ceRNA) network was constructed by utilizing sample-matched microRNA (miRNA), long non-coding RNA (lncRNA) and mRNA expression profiles in 12 saccular IA samples and paired control arteries...
October 14, 2016: World Neurosurgery
Jin-Hua He, Bao-Xia Li, Ze-Ping Han, Mao-Xian Zou, Li Wang, Yu-Bing Lv, Jia-Bin Zhou, Ming-Rong Cao, Yu-Guang Li, Jing-Zhi Zhang
Rapidly accumulated evidence has shown that long non-coding RNA (lncRNAs) disregulation is involved in human tumorigenesis in many cancers, including prostate cancer (PCa). LncRNAs can regulate essential pathways that contribute to tumor initiation and progression with tissue specificity, which suggests that lncRNAs could be valuable biomarkers and therapeutic targets. Prostate cancer antigen 3 (PCA3), also known as differential display code 3 (DD3), is one such lncRNA that maps to chromosome 9q21-22. PCA3 expression is highly specific to PCa...
October 14, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Perrine Rasschaert, Thomas Figueroa, Ginette Dambrine, Denis Rasschaert, Sylvie Laurent
Interplay between alternative splicing and the Microprocessor may have differential effects on the expression of intronic miRNAs organised into clusters. We used a viral model - the LAT long non-coding RNA (LAT lncRNA) of Marek's disease oncogenic herpesvirus (MDV-1), which has the mdv1-miR-M8-M6-M7-M10 cluster embedded in its first intron - to assess the impact of splicing modifications on the biogenesis of each of the miRNAs from the cluster. Drosha silencing and alternative splicing of an extended exon 2 of the LAT lncRNA from a newly identified 3' splice site (SS) at the end of the second miRNA of the cluster showed that mdv1-miR-M6 was a 5'-tailed mirtron...
October 7, 2016: RNA Biology
Shuyao Tang, Gang Tan, Xian Jiang, Peng Han, Bo Zhai, Xuesong Dong, Haiquan Qiao, Hongchi Jiang, Xueying Sun
Sorafenib resistance remains a major obstacle for the effective treatment of hepatocellular carcinoma (HCC), and a number of miRNAs contribute to this resistance. However, the regulatory networks of miRNAs are very complex, thus inhibiting a single miRNA may sequentially activate other compensatory pathways. In the present study, we generated an artificial long non-coding RNA (AlncRNA), which simultaneously targets multiple miRNAs including miR-21, miR-153, miR-216a, miR-217, miR-494 and miR-10a-5p. These miRNAs have been shown to be upregulated in sorafenib-resistant cells and participate in the mechanisms underlying sorafenib resistance...
September 28, 2016: Oncotarget
Stephen Harrap
Genetic discovery in blood pressure is generally referenced in relation to protein-coding genes, despite the fact that genes less than 2% of the genome. Recent exploration of the DNA sequences between genes, once called "junk" DNA, has revealed a wealth of transcripts for RNA species that do not encode protein. These non-coding RNAs (ncRNAs) have emerged as dynamic managers of the business of the genome, able to coordinate the expression of genes in time and space to achieve the complexities of normal development and growth...
September 2016: Journal of Hypertension
Xiaomin Liu, Lijing Hou, Weiwei Huang, Yuan Gao, Xin Lv, Jiyou Tang
OBJECTIVE: lncRNAs are recently thought to play a significant role in cellular homeostasis during pathological process of diseases by competing inhibiting miRNA function. The aim of present study was to assess the function of long non-coding RNA (lncRNA) MEG3 and its functional interaction with microRNA-181b in cerebral ischemic infarct of mice and hypoxia-induced neurons apoptosis. METHODS: To address this question, we performed the experiments with in vivo middle cerebral artery occlusion (MCAO) mice model and in vitro oxygen-glucose deprivation (OGD)-cultured neuronal HT22 cell line...
2016: Frontiers in Cellular Neuroscience
Trung Nghia Vu, Setia Pramana, Stefano Calza, Chen Suo, Donghwan Lee, Yudi Pawitan
Molecular classification of breast cancer into clinically relevant subtypes helps improve prognosis and adjuvant-treatment decisions. The aim of this study is to provide a better characterization of the molecular subtypes by providing a comprehensive landscape of subtype-specific isoforms including coding, long non-coding RNA and microRNA transcripts. Isoform-level expression of all coding and non-coding RNAs is estimated from RNA-sequence data of 1168 breast samples obtained from The Cancer Genome Atlas (TCGA) project...
September 13, 2016: Oncotarget
Niraj Khemka, Vikash Kumar Singh, Rohini Garg, Mukesh Jain
Non-coding RNAs constitute a major portion of the transcriptome in most of eukaryotes. Long non-coding transcripts originating from the DNA segment present between the protein coding genes are termed as long intergenic non-coding RNAs (lincRNAs). Several evidences suggest the role of lincRNAs in regulation of various biological processes. In this study, we identified a total of 2248 lincRNAs in chickpea using RNA-seq data from eight successive stages of flower development and three vegetative tissues via an optimized pipeline...
2016: Scientific Reports
Qiu-Zhong Zhou, Bindan Zhang, Quan-You Yu, Ze Zhang
BACKGROUND: Long non-coding RNAs (lncRNAs) may play critical roles in a wide range of developmental processes of higher organisms. Recently, lncRNAs have been widely identified across eukaryotes and many databases of lncRNAs have been developed for human, mouse, fruit fly, etc. However, there is rare information about them in the only completely domesticated insect, silkworm (Bombyx mori). DESCRIPTION: In this study, we systematically scanned lncRNAs using the available silkworm RNA-seq data and public unigenes...
2016: BMC Bioinformatics
D Ronchetti, M Manzoni, L Agnelli, C Vinci, S Fabris, G Cutrona, S Matis, M Colombo, S Galletti, E Taiana, A G Recchia, S Bossio, M Gentile, C Musolino, F Di Raimondo, A Grilli, S Bicciato, A Cortelezzi, P Tassone, F Morabito, M Ferrarini, A Neri
Long non-coding RNAs (lncRNAs) represent a novel class of functional RNA molecules with an important emerging role in cancer. To elucidate their potential pathogenetic role in chronic lymphocytic leukemia (CLL), a biologically and clinically heterogeneous neoplasia, we investigated lncRNAs expression in a prospective series of 217 early-stage Binet A CLL patients and 26 different subpopulations of normal B-cells, through a custom annotation pipeline of microarray data. Our study identified a 24-lncRNA-signature specifically deregulated in CLL compared with the normal B-cell counterpart...
September 9, 2016: Blood Cancer Journal
Catrin Stutika, Mario Mietzsch, Andreas Gogol-Döring, Stefan Weger, Madlen Sohn, Wei Chen, Regine Heilbronn
Most DNA viruses express small regulatory RNAs, which interfere with viral or cellular gene expression. For adeno-associated virus (AAV), a small ssDNA virus with a complex biphasic life cycle miRNAs or other small regulatory RNAs have not yet been described. This is the first comprehensive Illumina-based RNA-Seq analysis of small RNAs expressed by AAV alone or upon co-infection with helper adenovirus or HSV. Several hotspots of AAV-specific small RNAs were detected mostly close to or within the AAV-ITR and apparently transcribed from the newly identified anti-p5 promoter...
2016: PloS One
Aruo Nan, Lijian Chen, Nan Zhang, Zhenzhong Liu, Ti Yang, Zhishan Wang, Chengfeng Yang, Yiguo Jiang
Lead is a metal that has toxic effects on the developing nervous system. However, the mechanisms underlying lead-induced neurotoxicity are not well understood. Non-coding RNAs (ncRNAs) play an important role in epigenetic regulation, but few studies have examined the function of ncRNAs in lead-induced neurotoxicity. We addressed this in the present study by evaluating the functions of a long non-coding RNA (named lncRpa) and a circular RNA (named circRar1) in a mouse model of lead-induced neurotoxicity. High-throughput RNA sequencing showed that both lncRpa and circRar1 promoted neuronal apoptosis...
September 7, 2016: Archives of Toxicology
Na Fu, Xuemin Niu, Yang Wang, Huijuan Du, Baoyu Wang, Jinghua Du, Ya Li, Rongqi Wang, Yuguo Zhang, Suxian Zhao, Dianxing Sun, Liang Qiao, Yuemin Nan
Long non-coding RNA (LncRNA)-activated by transforming growth factor-beta (LncRNA-ATB) is a key regulator of transforming growth factor-beta (TGF-β) signaling pathway, and is positively correlated with the development of liver cirrhosis and vascular invasion of hepatocellular carcinoma (HCC). However, the role of LncRNA-ATB in hepatitis C virus (HCV)-related liver fibrosis remains largely unknown. In the present study, we confirmed a high expression level of LncRNA-ATB in the liver tissues and plasma samples of patients with HCV-related hepatic fibrosis, and the plasma level of LncRNA-ATB was significantly correlated with liver fibrosis stages...
August 2016: Discovery Medicine
Baoyu He, Weiming Li, Yingfen Wu, Fang Wei, Zhaojian Gong, Hao Bo, Yumin Wang, Xiayu Li, Bo Xiang, Can Guo, Qianjin Liao, Pan Chen, Xuyu Zu, Ming Zhou, Jian Ma, Xiaoling Li, Yong Li, Guiyuan Li, Wei Xiong, Zhaoyang Zeng
Epstein-Barr virus (EBV) infection is causatively related to a variety of human cancers, including nasopharyngeal carcinoma (NPC) and gastric cancer (GC). EBV encodes 44 mature miRNAs, a number of which have been proven to promote carcinogenesis by targeting host genes or self-viral genes. However, in this study, we found that an EBV-encoded microRNA, termed EBV-miR-BART6-3p, inhibited EBV-associated cancer cell migration and invasion including NPC and GC by reversing the epithelial-mesenchymal transition (EMT) process...
2016: Cell Death & Disease
Cristian A Velandia-Huerto, Adriaan A Gittenberger, Federico D Brown, Peter F Stadler, Clara I Bermúdez-Santana
BACKGROUND: The colonial ascidian Didemnum vexillum, sea carpet squirt, is not only a key marine organism to study morphological ancestral patterns of chordates evolution but it is also of great ecological importance due to its status as a major invasive species. Non-coding RNAs, in particular microRNAs (miRNAs), are important regulatory genes that impact development and environmental adaptation. Beyond miRNAs, not much in known about tunicate ncRNAs. RESULTS: We provide here a comprehensive homology-based annotation of non-coding RNAs in the recently sequenced genome of D...
2016: BMC Genomics
Jessica Chery
RNA therapeutics refers to the use of oligonucleotides to target primarily ribonucleic acids (RNA) for therapeutic efforts or in research studies to elucidate functions of genes. Oligonucleotides are distinct from other pharmacological modalities, such as small molecules and antibodies that target mainly proteins, due to their mechanisms of action and chemical properties. Nucleic acids come in two forms: deoxyribonucleic acids (DNA) and ribonucleic acids (RNA). Although DNA is more stable, RNA offers more structural variety ranging from messenger RNA (mRNA) that codes for protein to non-coding RNAs, microRNA (miRNA), transfer RNA (tRNA), short interfering RNAs (siRNAs), ribosomal RNA (rRNA), and long-noncoding RNAs (lncRNAs)...
July 2016: Postdoc Journal: a Journal of Postdoctoral Research and Postdoctoral Affairs
Weihua Zeng, Shan Jiang, Xiangduo Kong, Nicole El-Ali, Alexander R Ball, Christopher I-Hsing Ma, Naohiro Hashimoto, Kyoko Yokomori, Ali Mortazavi
Myoblasts are precursor skeletal muscle cells that differentiate into fused, multinucleated myotubes. Current single-cell microfluidic methods are not optimized for capturing very large, multinucleated cells such as myotubes. To circumvent the problem, we performed single-nucleus transcriptome analysis. Using immortalized human myoblasts, we performed RNA-seq analysis of single cells (scRNA-seq) and single nuclei (snRNA-seq) and found them comparable, with a distinct enrichment for long non-coding RNAs (lncRNAs) in snRNA-seq...
August 26, 2016: Nucleic Acids Research
Renli Qi, Dingbiao Long, Jing Wang, Qi Wang, Xiaofeng Huang, Chunting Cao, Guangliang Gao, Jinxiu Huang
BACKGROUND/AIMS: Muscle cells are able to trans-differentiate into adipocytes with adipogenesis induction. MicroRNAs (miRNAs), a class of small non-coding RNAs, widely participate in the regulation of growth and development of cells. However, the expression and regulatory role of miRNAs in the trans-differentiation of muscle cell are largely unknown. METHODS: C2C12 myoblasts were inducted to adipogenesis trans-differentiation and microarrays were used to assay the changes of expression profile of miRNAs...
2016: Cellular Physiology and Biochemistry
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