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Long noncoding rna

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https://www.readbyqxmd.com/read/28817151/comprehensive-analysis-of-long-noncoding-rna-mrna-co-expression-patterns-in-thyroid-cancer
#1
Yaying Du, Wenfei Xia, Jinjun Zhang, Dongyi Wan, Zhifang Yang, Xingrui Li
Novel molecular-targeted treatments show great prospects for radioiodine-refractory and surgically inoperable thyroid carcinomas. While aberrations in protein-coding genes are a focus in molecular thyroid cancer medicine, the impact of oncogenes on the expression of long noncoding RNAs (lncRNAs) has been largely uncharacterized. We aimed to identify the expression patterns of lncRNAs and mRNAs in high-throughput molecular profiles of 18 papillary thyroid cancer (PTC) patients. We identified 452 mRNAs and 240 unannotated lncRNAs that were differentially expressed in PTC...
August 17, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28815540/long-noncoding-rnas-in-mammalian-development-and-diseases
#2
Parna Saha, Shreekant Verma, Rashmi U Pathak, Rakesh K Mishra
Following analysis of sequenced genomes and transcriptome of many eukaryotes, it is evident that virtually all protein-coding genes have already been discovered. These advances have highlighted an intriguing paradox whereby the relative amount of protein-coding sequences remain constant but nonprotein-coding sequences increase consistently in parallel to increasing evolutionary complexity. It is established that differences between species map to nonprotein-coding regions of the genome that surprisingly is transcribed extensively...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28815539/long-noncoding-rnas-in-plants
#3
Hsiao-Lin V Wang, Julia A Chekanova
The eukaryotic genomes are pervasively transcribed. In addition to protein-coding RNAs, thousands of long noncoding RNAs (lncRNAs) modulate key molecular and biological processes. Most lncRNAs are found in the nucleus and associate with chromatin, but lncRNAs can function in both nuclear and cytoplasmic compartments. Emerging work has found that many lncRNAs regulate gene expression and can affect genome stability and nuclear domain organization both in plant and in the animal kingdom. Here, we describe the major plant lncRNAs and how they act, with a focus on research in Arabidopsis thaliana and our emerging understanding of lncRNA functions in serving as molecular sponges and decoys, functioning in regulation of transcription and silencing, particularly in RNA-directed DNA methylation, and in epigenetic regulation of flowering time...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28815538/long-noncoding-rnas-in-the-yeast-s-%C3%A2-cerevisiae
#4
Rachel O Niederer, Evan P Hass, David C Zappulla
Long noncoding RNAs have recently been discovered to comprise a sizeable fraction of the RNA World. The scope of their functions, physical organization, and disease relevance remain in the early stages of characterization. Although many thousands of lncRNA transcripts recently have been found to emanate from the expansive DNA between protein-coding genes in animals, there are also hundreds that have been found in simple eukaryotes. Furthermore, lncRNAs have been found in the bacterial and archaeal branches of the tree of life, suggesting they are ubiquitous...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28815537/from-heterochromatin-to-long-noncoding-rnas-in-drosophila-expanding-the-arena-of-gene-function-and-regulation
#5
Subhash C Lakhotia
Recent years have witnessed a remarkable interest in exploring the significance of pervasive noncoding transcripts in diverse eukaryotes. Classical cytogenetic studies using the Drosophila model system unraveled the perplexing attributes and "functions" of the "gene"-poor heterochromatin. Recent molecular studies in the fly model are likewise revealing the very diverse and significant roles played by long noncoding RNAs (lncRNAs) in development, gene regulation, chromatin organization, cell and nuclear architecture, etc...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28815536/long-noncoding-rna-genome-organization-and-mechanism-of-action
#6
Vijay Suresh Akhade, Debosree Pal, Chandrasekhar Kanduri
For the last four decades, we have known that noncoding RNAs maintain critical housekeeping functions such as transcription, RNA processing, and translation. However, in the late 1990s and early 2000s, the advent of high-throughput sequencing technologies and computational tools to analyze these large sequencing datasets facilitated the discovery of thousands of small and long noncoding RNAs (lncRNAs) and their functional role in diverse biological functions. For example, lncRNAs have been shown to regulate dosage compensation, genomic imprinting, pluripotency, cell differentiation and development, immune response, etc...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28815059/erratum-long-noncoding-rna-noncoding-and-not-coded
#7
Debra Toiber, Gabriel Leprivier, Barak Rotblat
[This corrects the article DOI: 10.1038/cddiscovery.2016.104.].
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28811863/long-noncoding-rnas-and-rna-binding-proteins-in-oxidative-stress-cellular-senescence-and-age-related-diseases
#8
REVIEW
Chongtae Kim, Donghee Kang, Eun Kyung Lee, Jae-Seon Lee
Cellular senescence is a complex biological process that leads to irreversible cell-cycle arrest. Various extrinsic and intrinsic insults are associated with the onset of cellular senescence and frequently accompany genomic or epigenomic alterations. Cellular senescence is believed to contribute to tumor suppression, immune response, and tissue repair as well as aging and age-related diseases. Long noncoding RNAs (lncRNAs) are >200 nucleotides long, poorly conserved, and transcribed in a manner similar to that of mRNAs...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28810927/stat3-mediated-upregulation-of-lncrna-hoxd-as1-as-a-cerna-facilitates-liver-cancer-metastasis-by-regulating-sox4
#9
Hui Wang, Xisong Huo, Xin-Rong Yang, Jia He, Lijun Cheng, Na Wang, Xuan Deng, Haojie Jin, Ning Wang, Cun Wang, Fangyu Zhao, Jingyuan Fang, Ming Yao, Jia Fan, Wenxin Qin
BACKGROUND: Several of the thousands of human long noncoding RNAs (lncRNAs) have been functionally characterized, yet their potential involvement in hepatocellular carcinoma (HCC) remains poorly understood. METHODS: LncRNA-HOXD-AS1 was identified by microarray and validated by real-time PCR. The clinicopathological significance of HOXD-AS1 was analyzed by Kaplan-Meier method. Chromatin immunoprecipitation was conducted to examine the mechanism of HOXD-AS1 upregulation...
August 14, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28809130/long-noncoding-rna-a-new-contributor-and-potential-therapeutic-target-in-fibrosis
#10
Xiaoying Jiang, Fujun Zhang
Fibrosis is the excess deposition of extracellular matrix components which occur in multiple organs and ultimately leads to organ failure. Long noncoding RNAs (lncRNAs) are a kind of noncoding RNAs longer than approximately 200 nucleotides with no protein-encoding capacity. A growing body of evidence suggests that lncRNAs are also involved in tissues fibrosis in several organs, such as lungs fibrosis, liver fibrosis, renal fibrosis and cardiac fibrosis. In this review, we summarized the current studies of lncRNAs in the process of fibrosis and hopefully aid in better understanding the molecular mechanism of fibrosis and provide a basis to explore new therapeutic targets of fibrosis...
August 15, 2017: Epigenomics
https://www.readbyqxmd.com/read/28808113/lncrna-gas5-inhibits-microglial-m2-polarization-and-exacerbates-demyelination
#11
Dingya Sun, Zhongwang Yu, Xue Fang, Mingdong Liu, Yingyan Pu, Qi Shao, Dan Wang, Xiaolin Zhao, Aijun Huang, Zhenghua Xiang, Chao Zhao, Robin Jm Franklin, Li Cao, Cheng He
The regulation of inflammation is pivotal for preventing the development or reoccurrence of multiple sclerosis (MS). A biased ratio of high-M1 versus low-M2 polarized microglia is a major pathological feature of MS Here, using microarray screening, we identify the long noncoding RNA (lncRNA) GAS5 as an epigenetic regulator of microglial polarization. Gain- and loss-of-function studies reveal that GAS5 suppresses microglial M2 polarization. Interference with GAS5 in transplanted microglia attenuates the progression of experimental autoimmune encephalomyelitis (EAE) and promotes remyelination in a lysolecithin-induced demyelination model...
August 14, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28805661/the-foxn3-neat1-sin3a-repressor-complex-promotes-progression-of-hormonally-responsive-breast-cancer
#12
Wanjin Li, Zihan Zhang, Xinhua Liu, Xiao Cheng, Yi Zhang, Xiao Han, Yu Zhang, Shumeng Liu, Jianguo Yang, Bosen Xu, Lin He, Luyang Sun, Jing Liang, Yongfeng Shang
The pathophysiological function of the forkhead transcription factor FOXN3 remains to be explored. Here we report that FOXN3 is a transcriptional repressor that is physically associated with the SIN3A repressor complex in estrogen receptor-positive (ER+) cells. RNA immunoprecipitation-coupled high-throughput sequencing identified that NEAT1, an estrogen-inducible long noncoding RNA, is required for FOXN3 interactions with the SIN3A complex. ChIP-Seq and deep sequencing of RNA genomic targets revealed that the FOXN3-NEAT1-SIN3A complex represses genes including GATA3 that are critically involved in epithelial-to-mesenchymal transition (EMT)...
August 14, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28805067/the-lncrna-nespas-is-associated-with-osteoarthritis-progression-and-serves-as-a-potential-new-prognostic-biomarker
#13
Sujung Park, Myeungsoo Lee, Churl-Hong Chun, Eun-Jung Jin
INTRODUCTION: In this article, we explored the hypothesis that the long noncoding RNA, Nespas, promotes osteoarthritis (OA) by supporting abnormal lipid metabolism in human chondrocytes. MATERIALS AND METHODS: Human articular chondrocytes from osteoarthritis patients were used and expression level of Nespas were determined by real-time polymerase chain reaction. Introduction of Nespas and Nespas-associated genes/miRNAs were performed by using a lentiviral system...
August 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28804550/long-noncoding-rna-meg3-suppressed-endothelial-cell-proliferation-and-migration-through-regulating-mir-21
#14
Ziheng Wu, Yangyan He, Donglin Li, Xin Fang, Tao Shang, Hongkun Zhang, Xiangtao Zheng
Long non-coding RNAs (lncRNAs) act critical roles in many biological processes, including cell proliferation, apoptosis, development, invasion and migration. LncRNA maternally expressed gene 3 (MEG3) is found to be downregulated in several tumors; however, its role in the atherosclerosis is still unknown. In the present study, we demonstrated that MEG3 expression level was downregulated in the coronary artery disease (CAD) tissues compared to in the control tissues. We also showed that TNF-α enhanced EC cell proliferation...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28803234/rna-sequencing-and-bioinformatics-analysis-implicate-the-regulatory-role-of-a-long-noncoding-rna-mrna-network-in-hepatic-stellate-cell-activation
#15
Can-Jie Guo, Xiao Xiao, Li Sheng, Lili Chen, Wei Zhong, Hai Li, Jing Hua, Xiong Ma
BACKGROUND/AIMS: To analyze the long noncoding (lncRNA)-mRNA expression network and potential roles in rat hepatic stellate cells (HSCs) during activation. METHODS: LncRNA expression was analyzed in quiescent and culture-activated HSCs by RNA sequencing, and differentially expressed lncRNAs verified by quantitative reverse transcription polymerase chain reaction (qRT-PCR) were subjected to bioinformatics analysis. In vivo analyses of differential lncRNA-mRNA expression were performed on a rat model of liver fibrosis...
August 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28801509/exosome-cofactor-hmtr4-competes-with-export-adaptor-alyref-to-ensure-balanced-nuclear-rna-pools-for-degradation-and-export
#16
Jing Fan, Bin Kuai, Guifen Wu, Xudong Wu, Binkai Chi, Lantian Wang, Ke Wang, Zhubing Shi, Heng Zhang, She Chen, Zhisong He, Siyuan Wang, Zhaocai Zhou, Guohui Li, Hong Cheng
The exosome is a key RNA machine that functions in the degradation of unwanted RNAs. Here, we found that significant fractions of precursors and mature forms of mRNAs and long noncoding RNAs are degraded by the nuclear exosome in normal human cells. Exosome-mediated degradation of these RNAs requires its cofactor hMTR4. Significantly, hMTR4 plays a key role in specifically recruiting the exosome to its targets. Furthermore, we provide several lines of evidence indicating that hMTR4 executes this role by directly competing with the mRNA export adaptor ALYREF for associating with ARS2, a component of the cap-binding complex (CBC), and this competition is critical for determining whether an RNA is degraded or exported to the cytoplasm...
August 11, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28800794/long-intergenic-noncoding-rna-319-linc00319-promotes-cell-proliferation-and-invasion-in-lung-cancer-cells-by-directly-downregulating-the-tumor-suppressor-mir-32
#17
Bo Zhou, Wenwen Yuan, Xinping Li
Long non-coding RNAs (lncRNAs) have been shown to play important regulatory roles in the pathogenesis and progression of multiple cancers. Here, we investigated the role of long intergenic non coding RNA 319 (linc00319) in the proliferation and invasion of lung cancer cells. We found that, compared with normal lung cell line HBE, linc00319 was increased in low metastatic lung cancer cell lines PAa and AgiY-83a, and further increased in high metastatic lung cancer cell lines A549 and Anip-973. Then, different concentrations of pcDNA-linc00319 expression vector and different concentrations of linc00319 siRNA were respectively transfected into A549 lung cancer cells...
August 11, 2017: Oncology Research
https://www.readbyqxmd.com/read/28800786/knockdown-of-long-noncoding-rna-linc0000125-suppresses-cellular-proliferation-and-invasion-in-glioma-cells-by-regulating-mir-4775
#18
Zhankun Zhu, Jinhua Dai, Yufeng Liao, Jianbo Ma, Wei Zhou
Long noncoding RNAs (lncRNAs) play an important role in various biological properties of glioma cells. Herein, we aimedto elucidate the function and the possible molecular mechanisms of long intergenic non-coding RNA 152 (LINC00152) in glioma cells. Relative expressions of LINC00152, miR-4775 and CDK6 in U-118 MG cells were regulated by transfections. Thereafter, cell viability, migration, invasion and apoptosis were analyzed by CCK8, Transwell and flow cytometry assays. Dual-luciferase reporter assay was conducted to validate the target genes of LINC00152 and miR-4775...
August 11, 2017: Oncology Research
https://www.readbyqxmd.com/read/28800314/long-noncoding-rna-pvt1-promotes-hepatocellular-carcinoma-progression-through-regulating-mir-214
#19
Xun Gou, Xiyan Zhao, Zhengrong Wang
BACKGROUND: Long noncoding RNAs (lncRNA) have been verified to be involved in hepatocellular carcinoma (HCC) progression. However, the potential biologic function of PVT1 in HCC is not still fully known. METHODS: PVT1 and miR-214 were detected by qRT-PCR assays in HCC tissues and adjacent normal tissues. CCK8, cell colony and transwell invasion assays were performed to evaluate cell proliferation and invasion abilities. Western-blot assay was performed to detect the protein of E-cadherin and Vimentin...
July 31, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28796801/long-noncoding-rnas-are-dynamically-regulated-during-%C3%AE-cell-mass-expansion-in-mouse-pregnancy-and-control-%C3%AE-cell-proliferation-in-vitro
#20
Giorgia Sisino, Alex-Xianghua Zhou, Niklas Dahr, Alan Sabirsh, Mangala M Soundarapandian, Ranjan Perera, Erik Larsson-Lekholm, Maria Chiara Magnone, Magnus Althage, Björn Tyrberg
Pregnancy is associated with increased β-cell proliferation driven by prolactin. Long noncoding RNAs (lncRNA) are the most abundant RNA species in the mammalian genome, yet, their functional importance is mainly elusive. AIMS/HYPOTHESIS: This study tests the hypothesis that lncRNAs regulate β-cell proliferation in response to prolactin in the context of β-cell mass compensation in pregnancy. METHODS: The expression profile of lncRNAs in mouse islets at day 14...
2017: PloS One
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