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Long non-coding RNA

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https://www.readbyqxmd.com/read/28345805/promoter-hypermethylation-mediated-downregulation-of-mir-770-and-its-host-gene-meg3-a-long-non-coding-rna-in-the-development-of-gastric-cardia-adenocarcinoma
#1
Wei Guo, Zhiming Dong, Shengnan Liu, Yiling Qiao, Gang Kuang, Yanli Guo, Supeng Shen, Jia Liang
Maternally expressed gene 3 (MEG3) is an imprinted gene located at 14q32 which encodes an lncRNA and is downregulated in an expanding list of cancer cell lines and primary human cancers. The miR-770 is transcribed from the intronic sequence of MEG3 and MEG3 may be the host gene for miR-770. However, the biological role of MEG3 and miR-770 in gastric cardia adenocarcinoma (GCA) development and prognosis is poorly defined. The present study was to investigate the function and methylation status of MEG3 in GCA, and further to detect the functional association of miR-770 and its host gene MEG3 in GCA carcinogenesis and prognosis...
March 27, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28345158/circular-rnas-in-heart-failure
#2
REVIEW
Yvan Devaux, Esther E Creemers, Reinier A Boon, Stanislas Werfel, Thomas Thum, Stefan Engelhardt, Stefanie Dimmeler, Iain Squire
Cardiovascular disease, and particularly heart failure, is still a serious health care issue for which novel treatments and biomarkers are needed. The RNA family comprises different subgroups, among which the small-sized microRNAs and the larger long non-coding RNAs have shown some potential to aid in moving personalized health care of heart failure patients a step forward. Here, members of the Cardiolinc network review the recent findings suggesting that the less well-known circular RNAs may constitute a novel reservoir of therapeutic targets and biomarkers of heart failure...
March 27, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28344339/the-evolution-and-expression-pattern-of-human-overlapping-lncrna-and-protein-coding-gene-pairs
#3
Qianqian Ning, Yixue Li, Zhen Wang, Songwen Zhou, Hong Sun, Guangjun Yu
Long non-coding RNA overlapping with protein-coding gene (lncRNA-coding pair) is a special type of overlapping genes. Protein-coding overlapping genes have been well studied and increasing attention has been paid to lncRNAs. By studying lncRNA-coding pairs in human genome, we showed that lncRNA-coding pairs were more likely to be generated by overprinting and retaining genes in lncRNA-coding pairs were given higher priority than non-overlapping genes. Besides, the preference of overlapping configurations preserved during evolution was based on the origin of lncRNA-coding pairs...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28344092/the-over-expression-of-long-non-coding-rna-anril-promotes-epithelial-mesenchymal-transition-by-activating-the-atm-e2f1-signaling-pathway-in-pancreatic-cancer-an-in-vivo-and-in-vitro-study
#4
Shi Chen, Jia-Qiang Zhang, Jiang-Zhi Chen, Hui-Xing Chen, Fu-Nan Qiu, Mao-Lin Yan, Yan-Ling Chen, Cheng-Hong Peng, Yi-Feng Tian, Yao-Dong Wang
This study aims to investigate the roles of lncRNA ANRIL in epithelial-mesenchymal transition (EMT) by regulating the ATM-E2F1 signaling pathway in pancreatic cancer (PC). PC rat models were established and ANRIL overexpression and interference plasmids were transfected. The expression of ANRIL, EMT markers (E-cadherin, N-cadherin and Vimentin) and ATM-E2F1 signaling pathway-related proteins (ATM, E2F1, INK4A, INK4B and ARF) were detected. Small molecule drugs were applied to activate and inhibit the ATM-E2F1 signaling pathway...
March 23, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28344045/ezh2-mediated-%C3%AE-actin-methylation-needs-lncrna-tug1-and-promotes-the-cortex-cytoskeleton-formation-in-vsmcs
#5
Rong Chen, Peng Kong, Fan Zhang, Ya-Nan Shu, Xi Nie, Li-Hua Dong, Yan-Ling Lin, Xiao-Li Xie, Li-Li Zhao, Xiang-Jian Zhang, Mei Han
Recent studies have revealed that long non-coding RNAs (lncRNAs) participate in vascular homeostasis and pathophysiological conditions development. But still very few literatures elucidate the regulatory mechanism of non-coding RNAs in this biological process. Here we identified lncRNA taurine up-regulated gene 1 (TUG1) in rat vascular smooth muscle cells (VSMCs), and got 4612bp nucleotide sequence. The expression level of TUG1 RNA was increased in synthetic VSMCs by real-time PCR analysis. Meanwhile, the expression of enhancer of zeste homolog 2 (EZH2) (TUG1 binding protein) increased in cytoplasm of VSMCs under the same conditions...
March 23, 2017: Gene
https://www.readbyqxmd.com/read/28344040/m-6-a-demethylase-alkbh5-maintains-tumorigenicity-of-glioblastoma-stem-like-cells-by-sustaining-foxm1-expression-and-cell-proliferation-program
#6
Sicong Zhang, Boxuan Simen Zhao, Aidong Zhou, Kangyu Lin, Shaoping Zheng, Zhike Lu, Yaohui Chen, Erik P Sulman, Keping Xie, Oliver Bögler, Sadhan Majumder, Chuan He, Suyun Huang
The dynamic and reversible N(6)-methyladenosine (m(6)A) RNA modification installed and erased by N(6)-methyltransferases and demethylases regulates gene expression and cell fate. We show that the m(6)A demethylase ALKBH5 is highly expressed in glioblastoma stem-like cells (GSCs). Silencing ALKBH5 suppresses the proliferation of patient-derived GSCs. Integrated transcriptome and m(6)A-seq analyses revealed altered expression of certain ALKBH5 target genes, including the transcription factor FOXM1. ALKBH5 demethylates FOXM1 nascent transcripts, leading to enhanced FOXM1 expression...
March 13, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28342748/rnai-of-arcrna-hsr%C3%AF-affects-sub-cellular-localization-of-drosophila-fus-to-drive-neurodiseases
#7
Luca Lo Piccolo, Masamitsu Yamaguchi
Defective RNA metabolism is common pathogenic mechanisms involved in neurological disorders. Indeed, a conspicuous feature of some neurodegenerative diseases is the loss of nuclear activities of RNA-binding proteins (RBPs) like Fused in sarcoma (FUS) and eventually, their accumulation in cytoplasmic proteinaceous inclusions. Long non-coding RNAs (lncRNAs) are emerging as important regulators of tissue physiology and disease processes, including neurological disorders. A subset of these lncRNAs is the core of nuclear bodies (NBs), which are the sites of RNA processing and sequestration of specific ribonucleoproteins (RNPs) complexes...
March 22, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28342449/a-systematic-review-and-meta-analysis-of-the-association-between-long-non-coding-rna-polymorphisms-and-cancer-risk
#8
REVIEW
Zhi Lv, Qian Xu, Yuan Yuan
It has been suggested that long non-coding RNA (lncRNA) gene polymorphisms are associated with cancer risk. In this article, we conducted a systematic review related to studies on the association between lncRNA single-nucleotide polymorphisms (SNPs) and the overall risk of cancer. A total 17 SNPs in four common lncRNA genes were included in the meta-analysis. In the lncRNA H19, the rs2735971 A/G, rs2839698C/T, and rs3024270 G/C polymorphisms, but not rs217727C/T, were correlated with overall cancer risk. The results also suggested that other SNPs were correlated with overall cancer risk, namely, two in HOTAIR (HOX transcript antisense RNA: rs920778C/T and rs7958904 G/C) and two in PRNCR1 (rs1016343C/T and rs16901946 A/G)...
January 2017: Mutation Research
https://www.readbyqxmd.com/read/28341852/profiling-of-long-non-coding-rnas-identifies-linc00958-and-linc01296-as-candidate-oncogenes-in-bladder-cancer
#9
Anna Katharina Seitz, Lise Lotte Christensen, Emil Christensen, Kasper Faarkrog, Marie Stampe Ostenfeld, Jakob Hedegaard, Iver Nordentoft, Morten Muhlig Nielsen, Johan Palmfeldt, Michelle Thomson, Michael Theis Solgaard Jensen, Roman Nawroth, Tobias Maurer, Torben Falck Ørntoft, Jørgen Bjerggaard Jensen, Christian Kroun Damgaard, Lars Dyrskjøt
Aberrant expression of long non-coding RNAs (lncRNAs) has been regarded as a critical component in bladder cancer (BC) and lncRNAs have been associated with BC development and progression although their overall expression and functional significance is still unclear. The aim of our study was to identify novel lncRNAs with a functional role in BC carcinogenesis. RNA-sequencing was used to identify aberrantly expressed lncRNAs in 8 normal and 72 BC samples. We identified 89 lncRNAs that were significantly dys-regulated in BC...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28339471/expression-quantitative-trait-loci-for-pax8-contributes-to-the-prognosis-of-hepatocellular-carcinoma
#10
Shijie Ma, Jianshui Yang, Ci Song, Zijun Ge, Jing Zhou, Guoxin Zhang, Zhibin Hu
Paired-box family member PAX8 encodes a transcription factor that has a role in cell differentiation and cell growth and may participate in the prognosis of hepatocellular carcinoma (HCC). By bioinformatics analysis, we identified several single nucleotide polymorphisms (SNPs) within a newly identified long non-coding RNA (lncRNA) AC016683.6 as expression quantitative trait loci (eQTLs) for PAX8. Hence, we hypothesized that PAX8eQTLs in lncRNA AC016683.6 may influence the HCC prognosis. We then performed a case-only study to assess the association between the two SNPs as well as the prognosis of HCC in 331 HBV-positive HCC patients without surgical treatment...
2017: PloS One
https://www.readbyqxmd.com/read/28339045/identification-of-circulating-long-non-coding-rna%C3%A2-gas5-as-a-potential-biomarker-for-non-small-cell-lung-cancer-diagnosisnon-small-cell-lung-cancer-long-non-coding-rna-plasma-gas5-biomarker
#11
Qian Tan, Jiangcheng Zuo, Shili Qiu, Yalan Yu, Hu Zhou, Nandi Li, Hui Wang, Chunzi Liang, Mingxia Yu, Jiancheng Tu
Non-small cell lung cancer (NSCLC) is one of the most malignant cancers in the world. Early diagnosis of NSCLC has become especially important for patient treatment and prognosis. Increasing evidence suggest that long non-coding RNA GAS5 plays vital roles in cancer proliferation and differentiation in NSCLC. However, its clinical value in the diagnosis of NSCLC is unclear. The objective of this study was to evaluate the importance of circulating GAS5 as a biomarker for NSCLC diagnosis. In our study, quantitative real-time PCR (QRT-PCR) was applied to detect the GAS5 expression level in 80 pairs of cancer tissues and 57 pairs of plasma samples of NSCLC patients...
March 22, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28339037/the-long-non-coding-rna-lncfoxo1-suppresses-growth-of-human-breast-cancer-cells-through-association-with-bap1
#12
Jie Xi, Jing Feng, Qian Li, Xia Li, Saitian Zeng
Breast cancer, one of the common cancers of women, is the leading cause of death among women below the age of 50 years in western countries. Long non-coding RNAs (lncRNAs) have been shown to be involved in diverse biological processes, both physical and pathological. However, to date, only a few lncRNAs have been functionally identified in breast cancer, and the overall pathophysiological contributions of lncRNAs to breast cancer remain largely unknown. In the present study, we identified a novel lncRNA termed lncFOXO1 through microarray screening...
March 24, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28339031/p53-inducible-long-non-coding-rna-picart1-mediates-cancer-cell-proliferation-and-migration
#13
Yu Cao, Minglin Lin, Yiwen Bu, Hongyan Ling, Yingchun He, Chenfei Huang, Yi Shen, Bob Song, Deliang Cao
Long non-coding RNAs (lncRNAs) function in the development and progression of cancer, but only a small portion of lncRNAs have been characterized to date. A novel lncRNA transcript, 2.53 kb in length, was identified by transcriptome sequencing analysis, and was named p53-inducible cancer-associated RNA transcript 1 (PICART1). PICART1 was found to be upregulated by p53 through a p53-binding site at -1808 to -1783 bp. In breast and colorectal cancer cells and tissues, PICART1 expression was found to be decreased...
March 20, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28338293/long-non-coding-rna-00312-regulated-by-hoxa5-inhibits-tumour-proliferation-and-promotes-apoptosis-in-non-small-cell-lung-cancer
#14
Qingqing Zhu, Tangfeng Lv, Ying Wu, Xuefei Shi, Hongbing Liu, Yong Song
Non-small cell lung cancer (NSCLC) is the most prevalent type of lung cancer. The abnormal expression of many long non-coding RNAs (lncRNAs) has been reported involved in the progression of various tumours, which can be used as diagnostic indicators or antitumour targets. Here, we found that the long non-coding RNA 00312 was down-regulated in paired NSCLC tissues and correlated with poor clinical outcome; decreased linc00312 expression in NSCLC was associated with larger and later stage tumours. Functional experiments showed that linc00312 could inhibit cell proliferation and promote apoptosis in vitro and in vivo...
March 24, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28338200/glioma-cells-promote-angiogenesis-through-the-release-of-exosomes-containing-long-non-coding-rna-pou3f3
#15
H-L Lang, G-W Hu, Y Chen, Y Liu, W Tu, Y-M Lu, L Wu, G-H Xu
OBJECTIVE: Angiogenesis is a key event in the progression of gliomas, and emerging evidence suggests that exosomes are signaling extracellular organelles that modulate the tumor microenvironment and promote angiogenesis and tumor progression. This study aimed to explore the mechanism by which glioma-derived exosomes affect angiogenesis. MATERIALS AND METHODS: qRT-PCR was used to determine the expression level of linc-POU3F3 in glioma tissue as well as glioma cell lines...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28337379/long-intergenic-non-coding-rna-00152-promotes-renal-cell-carcinoma-progression-by-epigenetically-suppressing-p16-and-negatively-regulates-mir-205
#16
Yongjun Wang, Jianzhen Liu, Hongzhong Bai, Yi Dang, Pei Lv, Shucai Wu
Long non-coding RNAs (lncRNAs) have been reported to play important roles in the tumorigenesis and development of several human cancers. Long intergenic non-coding RNA 152 (LINC00152) is significantly up-regulated in some solid tumors. However, the role of LINC00152 in the pathogenesis and development of renal cell carcinoma (RCC) remains largely unclear. In the study, we showed that LINC00152 expression was up-regulated in RCC tissues compared with adjacent normal tissues and revealed that LINC00152 expression was positively correlated with lymph node metastasis, higher TNM stage, and poor over survival (OS) time in RCC patients...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337281/c-myc-induced-upregulation-of-lncrna-snhg12-regulates-cell-proliferation-apoptosis-and-migration-in-triple-negative-breast-cancer
#17
Ouchen Wang, Fan Yang, Yehuan Liu, Lin Lv, Ruimin Ma, Chuanzhi Chen, Jiao Wang, Qiufan Tan, Yue Cheng, Erjie Xia, Yizuo Chen, Xiaohua Zhang
Triple-negative breast cancer (TNBC) is one of the most aggressive subtypes of breast cancer, with a significantly higher recurrence and mortality rate. There is an urgent need to uncover the mechanism underlying TNBC and establish therapeutic targets. Long non-coding RNAs (lncRNAs) are involved in a series of biological functions and provide novel insights into the molecular mechanism of cancer. Based on their expression specificity and large number, lncRNAs are likely to serve as the basis for clinical applications in oncology...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337266/long-non-coding-rna-uca1-promotes-cell-progression-by-acting-as-a-competing-endogenous-rna-of-atf2-in-prostate-cancer
#18
Shilong Zhang, Xinxin Dong, Tongyu Ji, Guoxiao Chen, Lei Shan
Prostate cancer (PCa) is a leading cause of cancer-related deaths in elder men. This disease has limited therapeutic options and poor prognosis as the underlying molecular mechanisms are not clearly understood. LncRNA UCA1 functions as an oncogene in many types of cancers. However, the role of UCA1 in PCa remains unclear. In the present study, we showed that UCA1 was significantly up-regulated in PCa cell lines and tissue samples. High UCA1 expression was positively associated with high gleason score, advanced TNM stage and shorter overall survival of PCa patients...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28336564/identification-of-a-novel-syk-c-myc-malat1-signaling-pathway-and-its-potential-therapeutic-value-in-ewing-sarcoma
#19
Haibo Sun, De-Chen Lin, Qi Cao, Brendan Pang, David D Gae, Victor Km Lee, Huey Jin Lim, Ngan Doan, Jonathan W Said, Sigal Gery, Marilynn Chow, Anand Mayakonda, Charles Forscher, Jeffrey W Tyner, H Phillip Koeffler
PURPOSE: Ewing Sarcoma (EWS) is a devastating soft tissue sarcoma affecting predominantly young individuals. Tyrosine kinases (TKs) and associated pathways are continuously activated in many malignancies including EWS; these enzymes provide candidate therapeutic targets. EXPERIMENTAL DESIGN: Two high-throughput screens (a siRNA library and a small-molecule inhibitor library) were performed in EWS cells to establish candidate targets. Spleen tyrosine kinase (SYK) phosphorylation was assessed in EWS patients and cell lines...
March 23, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28335739/identification-of-long-non-coding-transcripts-with-feature-selection-a-comparative-study
#20
Giovanna M M Ventola, Teresa M R Noviello, Salvatore D'Aniello, Antonietta Spagnuolo, Michele Ceccarelli, Luigi Cerulo
BACKGROUND: The unveiling of long non-coding RNAs as important gene regulators in many biological contexts has increased the demand for efficient and robust computational methods to identify novel long non-coding RNAs from transcripts assembled with high throughput RNA-seq data. Several classes of sequence-based features have been proposed to distinguish between coding and non-coding transcripts. Among them, open reading frame, conservation scores, nucleotide arrangements, and RNA secondary structure have been used with success in literature to recognize intergenic long non-coding RNAs, a particular subclass of non-coding RNAs...
March 23, 2017: BMC Bioinformatics
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