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https://www.readbyqxmd.com/read/28645110/long-noncoding-rna-ccat2-as-a-novel-biomaker-of-metastasis-and-prognosis-in-human-cancer-a-meta-analysis
#1
REVIEW
Dailian Wang, Zhicong Chen, Haidan Xu, Anbang He, Yuchen Liu, Weiren Huang
Colon cancer-associated transcript2 (CCAT2), a long noncoding RNA (LncRNA), has been found to function as an oncogene in various cancers. However, the clinical value of CCAT2 in cancers remains unclear. Therefore, we performed this meta-analysis to investigate the association between CCAT2 level and metastasis & prognosis in malignant tumors. The meta analysis was performed by using a systematic search in PubMed, Web of Science, and Cochrane Library from inception to NOV 17, 2016. According to the inclusion and exclusion criteria,9 studies with 1084 patients were included in the meta-analysis...
May 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644958/translating-cancer-epigenomics-into-the-clinic-focus-on-lung-cancer
#2
REVIEW
Josep Mari-Alexandre, Angel Diaz-Lagares, Maria Villalba, Oscar Juan, Ana B Crujeiras, Alfonso Calvo, Juan Sandoval
Epigenetic deregulation is increasingly being recognized as a hallmark of cancer. Recent studies have identified many new epigenetic biomarkers, some of which are being introduced into clinical practice for diagnosis, molecular classification, prognosis or prediction of response to therapies. O-6-methylguanine-DNA methyltransferase gene is the most clinically advanced epigenetic biomarker as it predicts the response to temozolomide and carmustine in gliomas. Therefore, epigenomics may represent a novel and promising tool for precision medicine, and in particular, the detection of epigenomic biomarkers in liquid biopsies will be of great interest for monitoring diseases in patients...
June 2, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28642363/nuclear-phosphorylated-dicer-processes-double-stranded-rna-in-response-to-dna-damage
#3
Kaspar Burger, Margarita Schlackow, Martin Potts, Svenja Hester, Shabaz Mohammed, Monika Gullerova
The endoribonuclease Dicer is a key component of the human RNA interference pathway and is known for its role in cytoplasmic microRNA production. Recent findings suggest that noncanonical Dicer generates small noncoding RNA to mediate the DNA damage response (DDR). Here, we show that human Dicer is phosphorylated in the platform-Piwi/Argonaute/Zwille-connector helix cassette (S1016) upon induction of DNA damage. Phosphorylated Dicer (p-Dicer) accumulates in the nucleus and is recruited to DNA double-strand breaks...
June 22, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28641698/-expression-of-serum-lncrna-hotair-in-non-small-cell-lung-cancer-%C3%A2-and-its-clinical-significance
#4
Nan Tan, Lihong Li, Lu Bai, Kun Zhao
BACKGROUND: The expression of long noncoding RNA HOX antisense RNA (HOTAIR) is abnormal in a variety of tumors. The aim of this study is to explore the serum levels and clinical significance of HOTAIR in patients with non-small cell lung cancer (NSCLC). METHODS: The serum levels of HOTAIR were detected by real-time quantitative polymerase chain reaction (PCR) in 64 NSCLC patients and 64 normal controls. The relationships between the serum levels of HOTAIR and clinical pathological parameters were analyzed...
June 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28640079/a-genome-wide-association-scan-of-biological-processes-involved-in-oral-lichen-planus-and-oral-squamous-cell-carcinoma
#5
Qiaozhen Yang, Beiyun Xu, Hongying Sun, Xiaxia Wang, Jie Zhang, Xuedi Yu, Xiaojuan Ma
BACKGROUND: In this study, the molecular mechanisms underlying malignant transformation from oral lichen planus (OLP) to oral squamous cell carcinoma (OSCC) were examined. METHODS: High-throughput sequencing of long noncoding RNAs (lncRNAs) and mRNAs of normal subjects and patients with OLP and OSCC was conducted. RNA-seq reads were mapped, lncRNA and mRNA transcripts were assembled, and expression levels were estimated. The targets of lncRNAs were predicted. Finally, Gene Ontology (GO) and pathway enrichment analyses of differentially expressed genes (DEGs) and lncRNA targets were performed...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639619/long-noncoding-rna-lnchifcar-mir31hg-is-a-hif-1%C3%AE-co-activator-driving-oral-cancer-progression
#6
Jing-Wen Shih, Wei-Fan Chiang, Alexander T H Wu, Ming-Heng Wu, Ling-Yu Wang, Yen-Ling Yu, Yu-Wen Hung, Wen-Chang Wang, Cheng-Ying Chu, Chiu-Lien Hung, Chun A Changou, Yun Yen, Hsing-Jien Kung
Long noncoding RNAs (lncRNAs) have been implicated in hypoxia/HIF-1-associated cancer progression through largely unknown mechanisms. Here we identify MIR31HG as a hypoxia-inducible lncRNA and therefore we name it LncHIFCAR (long noncoding HIF-1α co-activating RNA); we describe its oncogenic role as a HIF-1α co-activator that regulates the HIF-1 transcriptional network, crucial for cancer development. Extensive analyses of clinical data indicate LncHIFCAR level is substantially upregulated in oral carcinoma, significantly associated with poor clinical outcomes and representing an independent prognostic predictor...
June 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28639201/enhancing-angiogenesis-in-mice-by-vegf-targeting-small-activating-rnas
#7
Tiia A Turunen, Seppo Ylä-Herttuala, Mikko P Turunen
The prevalence of cardiovascular diseases is steadily increasing, and it is the leading cause of death worldwide. Therefore, new treatments, such as gene therapy are needed. During the last decade, the role of small noncoding RNAs (ncRNAs) in the regulation of gene expression at the transcriptional level has been shown. Promoter-targeted small RNAs recruit histone-modifying enzymes and can either repress or induce target gene expression. As an example, we have targeted mouse VEGF-A promoter with small hairpin RNAs (shRNAs) and identified two shRNAs which either repressed or induced VEGF-A expression on messenger RNA and protein level in vitro, depending on the targeted location...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28639198/rna-mediated-gene-activation-identifying-a-candidate-rna-for-preclinical-development
#8
David R Corey
The ability to activate gene expression would provide new opportunities for drug development for diseases caused by inadequate or nonexistent expression of a therapeutic protein. Duplex RNAs that target gene promoters are one strategy for enhancing the expression of target genes. This chapter summarizes our understanding of mechanism behind gene activation by small RNAs that bind noncoding transcripts at gene promoters. We describe a path for choosing candidate genes for therapeutic development.
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28639193/mirna-mediated-rna-activation-in-mammalian-cells
#9
Ramani Ramchandran, Pradeep Chaluvally-Raghavan
MicroRNA (miRNA or miR) is a small noncoding RNA molecule ~22 nucleotides in size, which is found in plants, animals, and some viruses. miRNAs are thought to primarily down regulate gene expression by binding to 3' untranslated regions of target transcripts, thereby triggering mRNA cleavage or repression of translation. Recently, evidence has emerged that miRNAs can interact with the promoter and activate gene expression. This mechanism, called RNA activation (RNAa), is a process of transcriptional activation where the direct interaction of miRNA on the promoter triggers the recruitment of transcription factors and RNA-Polymerase-II on the promoter to activate gene transcription...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28638716/long-noncoding-rna-expression-in-peripheral-blood-mononuclear-cells-and-suicide-risk-in-chinese-patients-with-major-depressive-disorder
#10
Xuelian Cui, Wei Niu, Lingming Kong, Mingjun He, Kunhong Jiang, Shengdong Chen, Aifang Zhong, Wanshuai Li, Jim Lu, Liyi Zhang
BACKGROUND: WHO stated that nearly one million people commit suicide every year worldly, and 40% of the suicide completer suffered from depression. The primary aim of this study was to explore the association between long noncoding RNAs (lncRNAs) expression in peripheral blood mononuclear cells (PBMCs) and suicide risk of patients with major depressive disorder (MDD). METHODS: Using Human LncRNA 3.0 microarray profiling which includes 30,586 human lncRNAs and RT-PCR, six down-regulated lncRNAs were identified differentially expressed in MDD patients...
June 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28638466/long-noncoding-rna-ccat2-as-a-potential-novel-biomarker-to-predict-the-clinical-outcome-of-cancer-patients-a-meta-analysis
#11
Juan Tan, Yi-Chao Hou, Lin-Na Fu, Yun-Qian Wang, Qian-Qian Liu, Hua Xiong, Ying-Xuan Chen, Jing-Yuan Fang
Background: Colon Cancer-Associated Transcript 2 (CCAT2) has been demonstrated associated with clinical outcomes in various tumors. However, the results from each study were unfortunately insufficient and not completely consistent. Therefore, we conduct a systematic meta-analysis to evaluate the value for a feasible biomarker for metastasis and prognosis. Methods: A meta-analysis was performed using data obtained through a systematic search of PubMed, EMBASE, Cochrane Library, China National Knowledge Infrastructure, Wanfang database and VIP database...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28637928/the-long-noncoding-rna-wisper-controls-cardiac-fibrosis-and-remodeling
#12
Rudi Micheletti, Isabelle Plaisance, Brian J Abraham, Alexandre Sarre, Ching-Chia Ting, Michael Alexanian, Daniel Maric, Damien Maison, Mohamed Nemir, Richard A Young, Blanche Schroen, Arantxa González, Samir Ounzain, Thierry Pedrazzini
Long noncoding RNAs (lncRNAs) are emerging as powerful regulators of cardiac development and disease. However, our understanding of the importance of these molecules in cardiac fibrosis is limited. Using an integrated genomic screen, we identified Wisper (Wisp2 super-enhancer-associated RNA) as a cardiac fibroblast-enriched lncRNA that regulates cardiac fibrosis after injury. Wisper expression was correlated with cardiac fibrosis both in a murine model of myocardial infarction (MI) and in heart tissue from human patients suffering from aortic stenosis...
June 21, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28637169/novel-molecules-lncrnas-trfs-and-circrnas-deciphered-from-next-generation-sequencing-rna-sequencing-computational-databases-and-tools
#13
A Saleembhasha, Seema Mishra
Powerful next-generation sequencing (NGS) technologies, more specifically RNA sequencing (RNA-seq), have been pivotal toward the detection and analysis and hypotheses generation of novel biomolecules, long noncoding RNAs (lncRNAs), tRNA-derived fragments (tRFs) and circular RNAs (circRNAs). Experimental validation of the occurrence of these biomolecules inside the cell has been reported. Their differential expression and functionally important role in several cancers types as well as other diseases such as Alzheimer's and cardiovascular diseases have garnered interest toward further studies in this research arena...
June 20, 2017: Briefings in Functional Genomics
https://www.readbyqxmd.com/read/28635400/the-long-noncoding-rna-foxcut-promotes-proliferation-and-migration-by-targeting-foxc1-in-nasopharyngeal-carcinoma
#14
Yu-Zhong Xu, Fang-Fang Chen, Yu Zhang, Qin-Fei Zhao, Xiao-Long Guan, Hai-Yong Wang, Ang Li, Xin Lv, Shu-Sheng Song, Ying Zhou, Xiao-Jun Li
Long noncoding RNAs play an important role in various biological processes, including tumorigenesis. FOXC1 (Forkhead box C1) is a member of the Forkhead box family of transcription factors and plays a crucial role in nasopharyngeal carcinoma. In this study, a novel long noncoding RNA (FOXCUT) located upstream of FOXC1 was investigated in 42 nasopharyngeal carcinoma patients. Our analysis revealed that the expression levels of FOXCUT and FOXC1 in nasopharyngeal carcinoma tissues were significantly higher than those observed in chronic nasopharyngitis tissues and that FOXCUT expression was positively correlated with FOXC1 expression...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28635106/long-noncoding-rna-and-its-contribution-to-autism-spectrum-disorders
#15
REVIEW
Jie Tang, Yizhen Yu, Wei Yang
Recent studies have indicated that long noncoding RNAs (lncRNAs) play important roles in multiple processes, such as epigenetic regulation, gene expression regulation, development, nutrition-related and other diseases, toxic response, and response to drugs. Although the functional roles and mechanisms of several lncRNAs have been discovered, a better understanding of the vast majority of lncRNAs remains elusive. To understand the functional roles and mechanisms of lncRNAs is critical because these transcripts represent the majority of the transcriptional output of the mammalian genome...
June 20, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28634418/long-noncoding-rnas-as-biomarkers-in-cancer
#16
REVIEW
Luka Bolha, Metka Ravnik-Glavač, Damjan Glavač
Long noncoding RNAs (lncRNAs) are a relatively well-characterized class of noncoding RNA (ncRNA) molecules, involved in the regulation of various cell processes, including transcription, intracellular trafficking, and chromosome remodeling. Their deregulation has been associated with the development and progression of various cancer types, the fact which makes them suitable as biomarkers for cancer diagnosis and prognosis. In recent years, detection of cancer-associated lncRNAs in body fluids of cancer patients has proven itself as an especially valuable method to effectively diagnose cancer...
2017: Disease Markers
https://www.readbyqxmd.com/read/28634073/long-noncoding-rna-meg3-mediated-angiogenesis-after-cerebral-infarction-through-regulating-p53-nox4-axis
#17
Renya Zhan, Kangli Xu, Jianwei Pan, Qingsheng Xu, Shengjie Xu, Jian Shen
OBJECTIVE: This study aimed to explore the mechanism of lncRNA MEG3 on angiogenesis after cerebral infarction (CI). METHODS: The rat brain microvascular endothelial cells (RBMVECs) isolated from rat was used to establish CI model, which were treated with oxygen-glucose deprivation/reoxygenation (OGD/R). The genes mRNA and protein expression levels in RBMVECs were determined by the quantitative real-time polymerase chain reaction (RT-qPCR) and western blot, respectively...
June 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28632999/long-noncoding-rna-lnc-sox5-modulates-crc-tumorigenesis-by-unbalancing-tumor-microenvironment
#18
Wu Kaiming, Zhenxian Zhao, Kuanzhi Liu, Jian Zhang, Guanghua Li, Liang Wang
Long non-coding RNAs (LncRNAs) have been recently regarded as systemic regulators in multiple biological processes including tumorigenesis. In this study, we observed the expression of lncRNA lnc-sox5 was significantly increased in colorectal cancer (CRC). Despite the CRC cell growth, cell cycle and cell apoptosis was not affected by lnc-sox5 knock-down, lnc-sox5 knock-down suppressed CRC cell migration and invasion. In addition, xenograft animal model suggested that lnc-sox5 knock-down significantly suppressed the CRC tumorigenesis...
June 20, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28630232/long-noncoding-rna-h19-promotes-neuroinflammation-in-ischemic-stroke-by-driving-histone-deacetylase-1-dependent-m1-microglial-polarization
#19
Jue Wang, Haiping Zhao, Zhibin Fan, Guangwen Li, Qingfeng Ma, Zhen Tao, Rongliang Wang, Juan Feng, Yumin Luo
BACKGROUND AND PURPOSE: Long noncoding RNA H19 is repressed after birth, but can be induced by hypoxia. We aim to investigate the impact on and underlying mechanism of H19 induction after ischemic stroke. METHODS: Circulating H19 levels in stroke patients and mice subjected to middle cerebral artery occlusion were assessed using real-time polymerase chain reaction. H19 siRNA and histone deacetylase 1 (HDAC1) plasmid were used to knock down H19 and overexpress HDAC1, respectively...
June 19, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28630177/integrated-genome-and-transcriptome-sequencing-identifies-a-noncoding-mutation-in-the-genome-replication-factor-donson-as-the-cause-of-microcephaly-micromelia-syndrome
#20
Gilad D Evrony, Dwight R Cordero, Jun Shen, Jennifer N Partlow, Timothy W Yu, Rachel E Rodin, R Sean Hill, Michael E Coulter, Anh-Thu N Lam, Divya Jayaraman, Dianne Gerrelli, Diana G Diaz, Chloe Santos, Victoria Morrison, Antonella Galli, Ulrich Tschulena, Stefan Wiemann, M Jocelyne Martel, Betty Spooner, Steven C Ryu, Princess C Elhosary, Jillian M Richardson, Danielle Tierney, Christopher A Robinson, Rajni Chibbar, Dana Diudea, Rebecca Folkerth, Sheldon Wiebe, A James Barkovich, Ganeshwaran H Mochida, James Irvine, Edmond G Lemire, Patricia Blakley, Christopher A Walsh
While next-generation sequencing has accelerated the discovery of human disease genes, progress has been largely limited to the "low hanging fruit" of mutations with obvious exonic coding or canonical splice site impact. In contrast, the lack of high-throughput, unbiased approaches for functional assessment of most noncoding variants has bottlenecked gene discovery. We report the integration of transcriptome sequencing (RNA-seq), which surveys all mRNAs to reveal functional impacts of variants at the transcription level, into the gene discovery framework for a unique human disease, microcephaly-micromelia syndrome (MMS)...
June 19, 2017: Genome Research
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