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https://www.readbyqxmd.com/read/28412742/association-of-the-long-non-coding-rna-malat1-with-the-polycomb-repressive-complex-pathway-in-t-and-nk-cell-lymphoma
#1
Soo Hee Kim, Se Hoon Kim, Woo Ick Yang, Soo Jeong Kim, Sun Och Yoon
Recently, various long non-coding RNAs (lncRNAs) have been reported to have significant therapeutic or prognostic value. However, the expression of lncRNAs has not been investigated in T and NK cell lymphoma. Thus, we evaluated the biological and prognostic role of lncRNAs related to the polycomb repressive complex (PRC) and PRC markers in tissue samples and cell lines of T and NK cell lymphoma. Among the tested lncRNAs, MALAT1 was most highly expressed in clinical samples and cell lines. High expression of MALAT1 as well as BMI1 was related to poor prognosis in patients with mature T cell lymphoma...
February 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28404885/significant-association-between-lncrna-h19-polymorphisms-and-cancer-susceptibility-a-meta-analysis
#2
Xue-Feng Li, Xin-Hai Yin, Jun-Wei Cai, Ming-Ju Wang, Yu-Qin Zeng, Min Li, Yu-Ming Niu, Ming Shen
Previous epidemiological research suggests polymorphisms in long non-coding RNA (lncRNA) H19 are associated with an increased risk of cancer, but the results are inconsistent. We therefore conducted a meta-analysis to more accurately determine the association between lncRNA H19 polymorphisms and cancer risk. The PubMed, Embase, and Science Citation Index online databases were searched and 11 relevant studies involving a total of 33,209 participants were identified. Odds ratios (ORs) and corresponding 95% confidence interval (CIs) from these studies were used to detect associations between H19 polymorphisms and cancer risk using five genetic models...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28396580/p53-regulation-association-long-non-coding-rna-lncrna-pral-inhibits-cell-proliferation-by-regulation-of-p53-in-human-lung-cancer
#3
Pengxiao Su, Fengqin Wang, Bin Qi, Ting Wang, Shaobo Zhang
BACKGROUND Lung cancer is among the most common causes of cancer-related deaths worldwide, but its tumorigenic mechanisms are largely unknown. Long non-coding RNAs (LncRNAs) have been shown to have significant roles in multiple cancers. Herein, we aimed to elucidate the detailed effects of a newly-discovered LncRNA, termed PRAL, on cell proliferation in lung cancer. MATERIAL AND METHODS A total of 100 lung cancer patients were subjected to RT-PCR analysis to detect the expressions of PRAL. Western blot analysis was performed to examine P53 protein levels...
April 11, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28381186/the-expression-pattern-of-long-non-coding-rna-pvt1-in-tumor-tissues-and-in-extracellular-vesicles-of-colorectal-cancer-correlates-with-cancer-progression
#4
Kai Guo, Jie Yao, Qiang Yu, Zijian Li, Hu Huang, Jianguo Cheng, Zhigang Wang, Yunfeng Zhu
The plasmacytoma variant translocation 1 gene (PVT1) is a large non-coding locus at adjacent of c-Myc, and long non-coding RNA PVT1 is now recognized as a cancerous gene co-amplified with c-Myc in various cancers. But the expression and functional role of PVT1 in colorectal cancer are still unelucidated. In addition, all the reported long non-coding RNAs so far are discovered in either cells or tissues, but no research about long non-coding RNAs detection in extracellular vesicles has been reported yet. In the present study, we firstly investigated the expression of PVT1 in colorectal cancer specimens and its correlation with the expression of c-Myc and other related genes by real-time polymerase chain reaction...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28358873/whole-genome-analysis-of-papillary-kidney-cancer-finds-significant-noncoding-alterations
#5
Shantao Li, Brian M Shuch, Mark B Gerstein
To date, studies on papillary renal-cell carcinoma (pRCC) have largely focused on coding alterations in traditional drivers, particularly the tyrosine-kinase, Met. However, for a significant fraction of tumors, researchers have been unable to determine a clear molecular etiology. To address this, we perform the first whole-genome analysis of pRCC. Elaborating on previous results on MET, we find a germline SNP (rs11762213) in this gene predicting prognosis. Surprisingly, we detect no enrichment for small structural variants disrupting MET...
March 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28352334/long-non-coding-rna-asncmtrna-2-is-upregulated-in-diabetic-kidneys-and-high-glucose-treated-mesangial-cells
#6
Yan Gao, Zhao-Yu Chen, Yan Wang, Yan Liu, Jian-Xia Ma, Yu-Kun Li
Diabetic nephropathy (DN) is one of the most frequent complications associated with type I and II diabetes mellitus. Kidneys from patients with DN are characterized by mesangial matrix expansion and increased thickness of the glomerular basement membrane, which are induced by reactive oxygen species (ROS) production. Previous studies have been conducted to investigate this; however, the detailed mechanism of DN progression remains to be elucidated. The present study evaluated the expression of antisense mitochondrial non-coding RNA-2 (ASncmtRNA-2) in an experimental DN model and cultured human mesangial cells...
February 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28347715/preeclampsia-novel-insights-from-global-rna-profiling-of%C3%A2-trophoblast-subpopulations
#7
Matthew Gormley, Katherine Ona, Miko Kapidzic, Tamara Garrido-Gomez, Tamara Zdravkovic, Susan J Fisher
BACKGROUND: The maternal signs of preeclampsia, which include the new onset of high blood pressure, can occur because of faulty placentation. We theorized that transcriptomic analyses of trophoblast subpopulations in situ would lend new insights into the role of these cells in preeclampsia pathogenesis. OBJECTIVE: Our goal was to enrich syncytiotrophoblasts, invasive cytotrophoblasts, or endovascular cytotrophoblasts from the placentas of severe preeclampsia cases...
March 24, 2017: American Journal of Obstetrics and Gynecology
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/28288321/phomopsis-longicolla-rna-virus-1-novel-virus-at-the-edge-of-myco-and-plant-viruses
#9
Lenka Hrabáková, Igor Koloniuk, Karel Petrzik
The complete nucleotide sequence of a new RNA mycovirus in the KY isolate of Phomopsis longicolla Hobbs 1985 and its protoplasts subcultures p5, p9, and ME711 was discovered. The virus, provisionally named Phomopsis longicolla RNA virus 1 (PlRV1), was localized in mitochondria and was determined to have a genome 2822 nucleotides long. A single open reading frame could be translated in silico by both standard and mitochondrial genetic codes into a product featuring conservative domains for an RNA-dependent RNA polymerase (RdRp)...
March 10, 2017: Virology
https://www.readbyqxmd.com/read/28235420/altered-expression-profiles-of-microrna-families-during-de-etiolation-of-maize-and-rice-leaves
#10
Jiajia Xu, Yuanyuan Li, Yaling Wang, Xinyu Liu, Xin-Guang Zhu
BACKGROUND: MicroRNAs (miRNAs) are highly conserved small non-coding RNAs that play important regulatory roles in plants. Although many miRNA families are sequentially and functionally conserved across plant kingdoms (Dezulian et al. in Genome Biol 13, 2005), they still differ in many aspects such as family size, average length, genomic loci etc. (Unver et al. in Int J Plant Genomics, 2009). RESULTS: In this study, we investigated changes of miRNA expression profiles during greening process of etiolated seedlings of Oryza sativa (C3) and Zea mays (C4) to explore conserved and species-specific characteristics of miRNAs between these two species...
February 24, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28215748/long-non-coding-rna-snhg14-promotes-microglia-activation-by-regulating-mir-145-5p-pla2g4a-in-cerebral-infarction
#11
Xu Qi, Ming Shao, Hongjing Sun, Yue Shen, Delong Meng, Wei Huo
Activated microglia cells (MCs) are able to release a large amount of inflammatory cytokines after ischemic stroke, which exacerbates neuron damage. In this study, we explored the functional involvement of long non-coding RNA (lncRNA) SNHG14 and its potential regulatory mechanism in the activation of MCs. The mouse model of middle cerebral artery occlusion (MCAO) and microglia cell model of oxygen/glucose deprivation (OGD) were made. The expression of SNHG14, miR-145-5p and PLA2G4A protein expression was determined by quantitative real time PCR and western blot, respectively...
February 16, 2017: Neuroscience
https://www.readbyqxmd.com/read/28208661/differential-binding-of-three-major-human-adar-isoforms-to-coding-and-long-non-coding-transcripts
#12
Josephine Galipon, Rintaro Ishii, Yutaka Suzuki, Masaru Tomita, Kumiko Ui-Tei
RNA editing by deamination of adenosine to inosine is an evolutionarily conserved process involved in many cellular pathways, from alternative splicing to miRNA targeting. In humans, it is carried out by no less than three major adenosine deaminases acting on RNA (ADARs): ADAR1-p150, ADAR1-p110, and ADAR2. However, the first two derive from alternative splicing, so that it is currently impossible to delete ADAR1-p110 without also knocking out ADAR1-p150 expression. Furthermore, the expression levels of ADARs varies wildly among cell types, and no study has systematically explored the effect of each of these isoforms on the cell transcriptome...
February 11, 2017: Genes
https://www.readbyqxmd.com/read/28187749/identification-of-a-large-intronic-transposal-insertion-in-slc17a5-causing-sialic-acid-storage-disease
#13
Maja Tarailo-Graovac, Britt I Drögemöller, Wyeth W Wasserman, Colin J D Ross, Ans M W van den Ouweland, Niklas Darin, Gittan Kollberg, Clara D M van Karnebeek, Maria Blomqvist
BACKGROUND: Sialic acid storage diseases are neurodegenerative disorders characterized by accumulation of sialic acid in the lysosome. These disorders are caused by mutations in SLC17A5, the gene encoding sialin, a sialic acid transporter located in the lysosomal membrane. The most common form of sialic acid storage disease is the slowly progressive Salla disease, presenting with hypotonia, ataxia, epilepsy, nystagmus and findings of cerebral and cerebellar atrophy. Hypomyelination and corpus callosum hypoplasia are typical as well...
February 10, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28174058/the-expression-of-lnc-il-7r-long-non-coding-rna-dramatically-correlated-with-soluble-and-membrane-bound-isoforms-of-il-7ra-gene-in-multiple-sclerosis-patients
#14
Parinaz Bina, Majid Pahlevan Kakhki, Mohammad Ali Sahraian, Mehrdad Behmanesh
BACKGROUND AND PURPOSE: Multiple sclerosis (MS) is a neurological disease of the central nervous system (CNS) that causes physical and cognitive impairments. IL-7Ra is a key non-MHC gene associated with MS. IL-7Ra is a likely functional candidate for this complex disease because it is involved in the development, maturation, and homeostasis of T and B cells. Our aim was to evaluate the expression level and controlling role of lnc-IL-7R in the expression of two variants of IL-7Ra in MS patients versus healthy controls and their correlation with certain clinical features...
March 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28157654/long-noncoding-rna-rp11-766n7-4-functions-as-a-tumor-suppressor-by-regulating-epithelial-mesenchymal-transition-in-esophageal-squamous-cell-carcinoma
#15
Guo-Liang Yao, Chun-Feng Pan, Hairong Xu, Ke Wei, Bin Liu, Rong Zhai, Yi-Jiang Chen
BACKGROUND: Numerous studies have proved that long non-coding RNAs participate in the initiation and metastasis of various cancers including esophageal squamous cell carcinoma (ESCC). Recently, a novel long non-coding RNA RP11-766N7.4 was discovered in a variety of human tissues. However, its role in oncogenesis and tumor metastasis remains unknown. METHODS: To investigate the function of long noncoding RNA RP11-766N7.4 in ESCC, RT-qPCR was used to monitor the expression level of long non-coding RNA RP11-766N7...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28147217/ccg-an-integrative-resource-of-cancer-protein-coding-genes-and-long-noncoding-rnas
#16
Mengrong Liu, Yu-Cheng T Yang, Gang Xu, Chang Tan, Zhi John Lu
The identification of cancer genes remains a main aim of cancer research. With the advances of high-throughput sequencing technologies, thousands of novel cancer genes were identified through recurrent mutation analyses and differential expression analyses between normal tissues and tumors in large populations. Many databases were developed to document the cancer genes. However, no public database providing both cancer protein-coding genes and cancer lncRNAs is available presently. Here, we present the Catalogue of Cancer Genes (CCG) database (http://ccg...
December 2016: Discovery Medicine
https://www.readbyqxmd.com/read/28128738/clinical-significance-of-the-long-noncoding-rna-rp11-19p22-6-001-in-gastric-cancer
#17
Weiliang Sun, Xiaoyan Mo, Tianwen Li, Yi Xie, Junming Guo
BACKGROUND: Long non-coding RNAs (lncRNAs) play roles in carcinogenesis; however, the significance of most lncRNAs in gastric cancer is unclear. OBJECTIVE: To explore the diagnostic value of the long noncoding RNA RP11-19P22.6-001 in gastric cancer. METHODS: RP11-19P22.6-001 levels in gastric cancer tissues and paired non-tumor tissues were analyzed by quantitative reverse transcription-polymerase chain reaction. Since RP11-19P22.6-001 acts in cis to regulate nitric oxide synthase 2 (NOS2), we also analyzed NOS2 expression and its correlation with gastric cancer...
January 20, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28127595/small-rna-sequencing-revealed-dysregulated-pirnas-in-alzheimer-s-disease-and-their-probable-role-in-pathogenesis
#18
Jyoti Roy, Arijita Sarkar, Sibun Parida, Zhumur Ghosh, Bibekanand Mallick
PIWI-interacting RNAs (piRNAs), ∼23-36 nucleotide-long small non-coding RNAs, earlier believed to be germline-specific, have now been identified in somatic cells including neural cells. However, piRNAs have not yet been studied in the human brain (HB) and Alzheimer's disease (AD)-affected brain. In this study, by next-generation small RNA sequencing, 564 and 451 piRNAs were identified in the HB and AD-affected brain respectively. The majority of the neuronal piRNAs have intronic origin wherein primary piRNAs are mostly from the negative strand...
January 27, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28107589/serum-lincrna-p21-as-a-potential-biomarker-of-liver-fibrosis-in-chronic-hepatitis-b-patients
#19
Fujun Yu, Guangyao Zhou, Kate Huang, XuFei Fan, Guojun Li, Bicheng Chen, Peihong Dong, Jianjian Zheng
Serum long non-coding RNAs (lncRNAs) are emerging as promising biomarkers for various human diseases. The aim of this study was to investigate the feasibility of using serum long intergenic non-coding RNA-p21 (lincRNA-p21) as a biomarker for chronic hepatitis B patients. Serum lincRNA-p21 levels were quantified using real-time PCR in 417 CHB patients and 363 healthy controls. The promoter methylation level of lincRNA-p21 was detected using bisulphite-sequencing analysis in primary hepatic stellate cells (HSCs)...
January 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28073183/a-liver-specific-long-non-coding-rna-with-a-role-in-cell-viability-is-elevated-in-human-non-alcoholic-steatohepatitis
#20
Biljana Atanasovska, Sander S Rensen, Marijke R van der Sijde, Glenn Marsman, Vinod Kumar, Iris Jonkers, Sebo Withoff, Ronit Shiri-Sverdlov, Jan Willem M Greve, Klaas Nico Faber, Han Moshage, Cisca Wijmenga, Bart van de Sluis, Marten H Hofker, Jingyuan Fu
Hepatocyte apoptosis in non-alcoholic steatohepatitis (NASH) can lead to fibrosis and cirrhosis, which permanently damage the liver. Understanding the regulation of hepatocyte apoptosis is therefore important to identify therapeutic targets that may prevent the progression of NASH to fibrosis. Recently, increasing evidence has shown that lncRNAs are involved in various biological processes and that their dysregulation underlies a number of complex human diseases. By performing gene expression profiling of 4,383 lncRNAs in 82 liver samples from individuals with NASH (n=48), simple steatosis but no NASH (n=11) and healthy controls (n=23), we discovered a liver-specific lncRNA (RP11-484N16...
January 10, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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