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long non-coding RNAs

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https://www.readbyqxmd.com/read/28225006/altered-enhancer-transcription-underlies-huntington-s-disease-striatal-transcriptional-signature
#1
Stéphanie Le Gras, Céline Keime, Anne Anthony, Caroline Lotz, Lucie De Longprez, Emmanuel Brouillet, Jean-Christophe Cassel, Anne-Laurence Boutillier, Karine Merienne
Epigenetic and transcriptional alterations are both implicated in Huntington's disease (HD), a progressive neurodegenerative disease resulting in degeneration of striatal neurons in the brain. However, how impaired epigenetic regulation leads to transcriptional dysregulation in HD is unclear. Here, we investigated enhancer RNAs (eRNAs), a class of long non-coding RNAs transcribed from active enhancers. We found that eRNAs are expressed from many enhancers of mouse striatum and showed that a subset of those eRNAs are deregulated in HD vs control mouse striatum...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224923/high-throughput-sequencing-reveals-modulation-of-micrornas-in-vigna-mungo-upon-mungbean-yellow-mosaic-india-virus-inoculation-highlighting-stress-regulation
#2
Anirban Kundu, Sujay Paul, Avishek Dey, Amita Pal
MicroRNAs (miRNAs) are 20-24 nucleotides long non-coding RNAs known to play important regulatory roles during biotic and abiotic stresses by controlling gene expression. Blackgram (Vigna mungo), an economically important grain legume is highly susceptible to pathogenic begomovirus Mungbean Yellow Mosaic India Virus (MYMIV) and resulting in high yield loss. In this study two different leaf-small-RNA libraries were prepared from the pooled RNA at three different time points of resistant V. mungo inbred line VM84 inoculated either with viruliferous or non-viruliferous whiteflies carrying MYMIV and performed high-throughput Illumina sequencing...
April 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28218907/the-link-a-lncrna-interacts-with-ptdins-3-4-5-p3-to%C3%A2-hyperactivate-akt%C3%A2-and-confer-resistance-to-akt%C3%A2-inhibitors
#3
Aifu Lin, Qingsong Hu, Chunlai Li, Zhen Xing, Guolin Ma, Cheng Wang, Jun Li, Yin Ye, Jun Yao, Ke Liang, Shouyu Wang, Peter K Park, Jeffrey R Marks, Yan Zhou, Jianwei Zhou, Mien-Chie Hung, Han Liang, Zhibin Hu, Hongbing Shen, David H Hawke, Leng Han, Yubin Zhou, Chunru Lin, Liuqing Yang
Phosphatidylinositol-3,4,5-trisphosphate (PtdIns(3,4,5)P3 or PIP3) mediates signalling pathways as a second messenger in response to extracellular signals. Although primordial functions of phospholipids and RNAs have been hypothesized in the 'RNA world', physiological RNA-phospholipid interactions and their involvement in essential cellular processes have remained a mystery. We explicate the contribution of lipid-binding long non-coding RNAs (lncRNAs) in cancer cells. Among them, long intergenic non-coding RNA for kinase activation (LINK-A) directly interacts with the AKT pleckstrin homology domain and PIP3 at the single-nucleotide level, facilitating AKT-PIP3 interaction and consequent enzymatic activation...
February 20, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28217082/genomic-editing-of-non-coding-rna-genes-with-crispr-cas9-ushers-in-a-potential-novel-approach-to-study-and-treat-schizophrenia
#4
REVIEW
Chuanjun Zhuo, Weihong Hou, Lirong Hu, Chongguang Lin, Ce Chen, Xiaodong Lin
Schizophrenia is a genetically related mental illness, in which the majority of genetic alterations occur in the non-coding regions of the human genome. In the past decade, a growing number of regulatory non-coding RNAs (ncRNAs) including microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) have been identified to be strongly associated with schizophrenia. However, the studies of these ncRNAs in the pathophysiology of schizophrenia and the reverting of their genetic defects in restoration of the normal phenotype have been hampered by insufficient technology to manipulate these ncRNA genes effectively as well as a lack of appropriate animal models...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28212646/linking-long-non-coding-rnas-and-swi-snf-complexes-to-chromatin-remodeling-in-cancer
#5
REVIEW
Yanyan Tang, Jinpeng Wang, Yu Lian, Chunmei Fan, Ping Zhang, Yingfen Wu, Xiayu Li, Fang Xiong, Xiaoling Li, Guiyuan Li, Wei Xiong, Zhaoyang Zeng
Chromatin remodeling controls gene expression and signaling pathway activation, and aberrant chromatin structure and gene dysregulation are primary characteristics of human cancer progression. Recent reports have shown that long non-coding RNAs (lncRNAs) are tightly associated with chromatin remodeling. In this review, we focused on important chromatin remodelers called the switching defective/sucrose nonfermenting (SWI/SNF) complexes, which use the energy of ATP hydrolysis to control gene transcription by altering chromatin structure...
February 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28212532/long-non-coding-rna-ptenp1-functions-as-a-cerna-to-modulate-pten-level-by-decoying-mir-106b-and-mir-93-in-gastric-cancer
#6
Rupeng Zhang, Yuenan Guo, Zhenchi Ma, Gang Ma, Qiang Xue, Fangxuan Li, Liren Liu
Recent studies have shown that competing endogenous RNAs (ceRNAs) play an important role in the regulation of gene expression, and participate in a wide range of biological processes, including carcinogenesis. Long non-coding RNA PTENP1, the pseudogene of PTEN tumor suppressor, has been reported to exert its tumor suppressive function via modulation of PTEN expression in many malignancies. However, whether a PTENP1~miRNA~PTEN ceRNA network exists and how it functions in gastric cancer (GC) remains elusive. In order to identify and characterize the PTENP1~miRNA~PTEN ceRNA network in GC, we first determined PTENP1 levels in clinical GC samples and found that PTENP1 and PTEN were concurrently downregulated in these samples...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28211799/increased-expression-of-long-non-coding-rna-glidr-in-prostate-cancer
#7
Yingyi Zhang, Zhe Kong, Yalong Zhang, Wenhua Huang, Hai Wu, Xuechao Wan, Yao Li
Prostate cancer (PCa) was one of the most common cancers in males in China. Long non-coding RNAs (lncRNA), a class of non-coding RNAs with more than 200 nucleotides, played key roles in the progression of prostate cancer. GLIDR, a novel long intergenic ncRNA, was found to be upregulated in tumors compared to normal tissues by using publically databases. In the clinical validation cohort, our results showed GLIDR was significantly up-regulated in prostate cancer samples and cell lines. To explore the potential functions of the GLIDR, we constructed gene co-expression networks and applied GO analysis...
February 3, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28209301/iswi-atp-dependent-remodeling-of-nucleoplasmic-%C3%AF-speckles-in-the-brain-of-drosophila-melanogaster
#8
Luca Lo Piccolo, Andrea Attardi, Rosa Bonaccorso, Lorenzo Li Greci, Giorgio Giurato, Antonia Maria Rita Ingrassia, Maria Cristina Onorati
Heterogeneous nuclear ribonucleoproteins (hnRNPs) belong to the RNA-binding proteins family. They are involved in processing heterogeneous nuclear RNAs (hnRNAs) into mature mRNAs. These proteins participate in every step of mRNA cycle, such as mRNA export, localization, translation, stability and alternative splicing. At least 14 major hnRNPs, which have structural and functional homologues in mammals, are expressed in Drosophila melanogaster. Until now, six of these hnRNPs are known to be nucleus-localized and associated with the long non-coding RNA (lncRNA) heat shock responsive ω (hsrω) in the omega speckle compartments (ω-speckles)...
December 22, 2016: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28207735/long-non-coding-rna-hotair-inhibits-mir-17-5p-to-regulate-osteogenic-differentiation-and-proliferation-in-non-traumatic-osteonecrosis-of-femoral-head
#9
Biaofang Wei, Wei Wei, Baoxiang Zhao, Xiaxia Guo, Song Liu
BACKGROUND AND AIM: The biological functions of non-coding RNAs (ncRNAs) have been widely identified in many human diseases. In the present study, the relationship between long non-coding RNA HOTAIR and microRNA-17-5p (miR-17-5p) and their roles in osteogenic differentiation and proliferation in non-traumatic osteonecrosis of femoral head (ONFH) were investigated. METHODS: The expression levels of HOTAIR and miR-17-5p in the mesenchymal stem cells (MSCs) derived from patients with non-traumatic ONFH and osteoarthritis (OA) were examined by real-time PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28206970/genetic-variation-in-long-noncoding-rnas-and-the-risk-of-nonalcoholic-fatty-liver-disease
#10
Silvia Sookoian, Cristian Rohr, Adrián Salatino, Hernán Dopazo, Tomas Fernandez Gianotti, Gustavo O Castaño, Carlos J Pirola
: The human transcriptome comprises a myriad of non protein-coding RNA species, including long noncoding RNAs (lncRNAs), which have a remarkable role in transcriptional and epigenetic regulation. We hypothesized that variants in lncRNAs influence the susceptibility to nonalcoholic fatty liver disease (NAFLD). Using next generation sequencing, we performed a survey of genetic variation associated with randomly selected lncRNA-genomic regions located within both experimentally validated and computationally predicted regulatory elements...
February 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28205334/long-non-coding-rna-tug1-promotes-migration-and-invasion-by-acting-as-a-cerna-of-mir-335-5p-in-osteosarcoma-cells
#11
Yong Wang, Tao Yang, Zhen Zhang, Ming Lu, Wei Zhao, Xiandong Zeng, Weiguo Zhang
Long non-coding RNAs (lncRNAs) have now become the new hotspots in an ocean of diseases including osteosarcoma. The function of taurine up-regulated gene 1 (TUG1) and its working mechanism in osteosarcoma remain unclear. In our research, we found that TUG1 was elevated and correlated with a poor prognosis in osteosarcoma patients. Also, the following functional experiment showed that decreased TUG1 could remarkably inhibit osteosarcoma cell migration and invasion, indicating that TUG1 functioned as an oncogene in osteosarcoma...
February 15, 2017: Cancer Science
https://www.readbyqxmd.com/read/28204819/lncrna-co-expression-network-model-for-the-prognostic-analysis-of-acute-myeloid-leukemia
#12
Jia-Qi Pan, Yan-Qing Zhang, Jing-Hua Wang, Ping Xu, Wei Wang
Acute myeloid leukemia (AML) is a highly heterogeneous hematologic malignancy with great variability of prognostic behaviors. Previous studies have reported that long non-coding RNAs (lncRNAs) play an important role in AML and may thus be used as potential prognostic biomarkers. However, thus use of lncRNAs as prognostic biomarkers in AML and their detailed mechanisms of action in this disease have not yet been well characterized. For this purpose, in the present study, the expression levels of lncRNAs and mRNAs were calculated using the RNA-seq V2 data for AML, following which a lncRNA‑lncRNA co-expression network (LLCN) was constructed...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28202659/the-short-and-the-long-non-coding-rnas-and-growth-factors-in-cancer-progression
#13
REVIEW
Aldema Sas-Chen, Swati Srivastava, Yosef Yarden
A relatively well-understood multistep process enables mutation-bearing cells to form primary tumours, which later use the circulation system to colonize new locations and form metastases. However, in which way the emerging abundance of different non-coding RNAs supports tumour progression is poorly understood. Here, we review new lines of evidence linking long and short types of non-coding RNAs to signalling pathways activated in the course of cancer progression by growth factors and by the tumour micro-environment...
February 8, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28198676/global-transcriptome-analysis-reveals-extensive-gene-remodeling-alternative-splicing-and-differential-transcription-profiles-in-non-seed-vascular-plant-selaginella-moellendorffii
#14
Yan Zhu, Longxian Chen, Chengjun Zhang, Pei Hao, Xinyun Jing, Xuan Li
BACKGROUND: Selaginella moellendorffii, a lycophyte, is a model plant to study the early evolution and development of vascular plants. As the first and only sequenced lycophyte to date, the genome of S. moellendorffii revealed many conserved genes and pathways, as well as specialized genes different from flowering plants. Despite the progress made, little is known about long noncoding RNAs (lncRNA) and the alternative splicing (AS) of coding genes in S. moellendorffii. Its coding gene models have not been fully validated with transcriptome data...
January 25, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28198463/overexpression-of-fam83h-as1-indicates-poor-patient-survival-and-knockdown-impairs-cell-proliferation-and-invasion-via-met-egfr-signaling-in-lung-cancer
#15
Jie Zhang, Shumei Feng, Wenmei Su, Shengbin Bai, Lei Xiao, Lihui Wang, Dafydd G Thomas, Jules Lin, Rishindra M Reddy, Philip W Carrott, William R Lynch, Andrew C Chang, David G Beer, You-Min Guo, Guoan Chen
Whole transcriptome analyses of next generation RNA sequencing (RNA-Seq) data from human cancer samples reveled thousands of uncharacterized non-coding RNAs including long non-coding RNA (lncRNA). Recent studies indicated that lncRNAs are emerging as crucial regulators in cancer processes and potentially useful as biomarkers for cancer diagnosis and prognosis. To delineate dysregulated lncRNAs in lung cancer, we analyzed RNA-Seq data from 461 lung adenocarcinomas (LUAD) and 156 normal lung tissues. FAM83H-AS1, one of the top dysregulated lncRNAs, was found to be overexpressed in tumors relative to normal lung and significantly associated with worse patient survival in LUAD...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28196303/the-long-noncoding-rna-schlah-suppresses-metastasis-of-hepatocellular-carcinoma-through-interacting-with-fus
#16
Zhouhong Ge, Zhuoan Cheng, Xinrong Yang, Xisong Huo, Ning Wang, Hui Wang, Cun Wang, Dishui Gu, Fangyu Zhao, Ming Yao, Jia Fan, Wenxin Qin
Emerging evidence has indicated that deregulation of long non-coding RNAs (lncRNAs) can contribute to the progression and metastasis of human cancer, including hepatocellular carcinoma (HCC). However, the roles of most lncRNAs in HCC remain largely unknown. Here we found a long noncoding RNA termed SchLAH (seven chromosome locus associated with HCC; also called BC035072) was generally downregulated in HCC. Low expression of SchLAH was significantly correlated with shorter overall survival of HCC patients. In vitro and in vivo assays indicated that overexpression of SchLAH inhibited the migration and lung metastasis of HCC cells...
February 14, 2017: Cancer Science
https://www.readbyqxmd.com/read/28194033/integrative-analyses-of-transcriptome-sequencing-identify-novel-functional-lncrnas-in-esophageal-squamous-cell-carcinoma
#17
C-Q Li, G-W Huang, Z-Y Wu, Y-J Xu, X-C Li, Y-J Xue, Y Zhu, J-M Zhao, M Li, J Zhang, J-Y Wu, F Lei, Q-Y Wang, S Li, C-P Zheng, B Ai, Z-D Tang, C-C Feng, L-D Liao, S-H Wang, J-H Shen, Y-J Liu, X-F Bai, J-Z He, H-H Cao, B-L Wu, M-R Wang, D-C Lin, H P Koeffler, L-D Wang, X Li, E-M Li, L-Y Xu
Long non-coding RNAs (lncRNAs) have a critical role in cancer initiation and progression, and thus may mediate oncogenic or tumor suppressing effects, as well as be a new class of cancer therapeutic targets. We performed high-throughput sequencing of RNA (RNA-seq) to investigate the expression level of lncRNAs and protein-coding genes in 30 esophageal samples, comprised of 15 esophageal squamous cell carcinoma (ESCC) samples and their 15 paired non-tumor tissues. We further developed an integrative bioinformatics method, denoted URW-LPE, to identify key functional lncRNAs that regulate expression of downstream protein-coding genes in ESCC...
February 13, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28193161/systematic-comparison-of-lncrnas-with-protein-coding-mrnas-in-population-expression-and-their-response-to-environmental-change
#18
Qin Xu, Zhihong Song, Caiyun Zhu, Chengcheng Tao, Lifang Kang, Wei Liu, Fei He, Juan Yan, Tao Sang
BACKGROUND: Long non-coding RNA (lncRNA) is a class of non-coding RNA with important regulatory roles in biological process of organisms. The systematic comparison of lncRNAs with protein coding mRNAs in population expression and their response to environmental change are still poorly understood. Here we identified 17,610 lncRNAs and calculated their expression levels based on RNA-seq of 80 individuals of Miscanthus lutarioriparius from two environments, the nearly native habitats and transplanted field, respectively...
February 13, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28190799/short-lived-non-coding-transcripts-slits-clues-to-regulatory-long-non-coding-rna
#19
Hidenori Tani
Whole transcriptome analyses have revealed a large number of novel long non-coding RNAs (lncRNAs). Although the importance of lncRNAs has been documented in previous reports, the biological and physiological functions of lncRNAs remain largely unknown. The role of lncRNAs seems an elusive problem. Here, I propose a clue to the identification of regulatory lncRNAs. The key point is RNA half-life. RNAs with a long half-life (t1/2 > 4 h) contain a significant proportion of ncRNAs, as well as mRNAs involved in housekeeping functions, whereas RNAs with a short half-life (t1/2 < 4 h) include known regulatory ncRNAs and regulatory mRNAs...
February 13, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28187707/transcriptome-analysis-of-coding-and-long-non-coding-rnas-highlights-the-regulatory-network-of-cascade-initiation-of-permanent-molars-in-miniature-pigs
#20
Fu Wang, Yang Li, Xiaoshan Wu, Min Yang, Wei Cong, Zhipeng Fan, Jinsong Wang, Chunmei Zhang, Jie Du, Songlin Wang
BACKGROUND: In diphyodont mammals, the additional molars (permanent molars) bud off from the posterior-free end of the primary dental lamina compared with successional teeth (replacement teeth) budding off from the secondary dental lamina. The diphyodont miniature pig has proved to be a valuable model for studying human molar morphogenesis. The additional molars show a sequential initiation pattern related to the specific tooth development stage of additional molars in miniature pigs during the morphogenesis of additional molars...
February 10, 2017: BMC Genomics
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