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Long none coding RNA

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https://www.readbyqxmd.com/read/27890015/the-involvement-of-regulatory-non-coding-rnas-in-sepsis-a-systematic-review
#1
Jeffery Ho, Hung Chan, Sunny H Wong, Maggie H T Wang, Jun Yu, Zhangang Xiao, Xiaodong Liu, Gordon Choi, Czarina C H Leung, Wai T Wong, Zheng Li, Tony Gin, Matthew T V Chan, William K K Wu
BACKGROUND: Sepsis coincides with altered gene expression in different tissues. Accumulating evidence has suggested that microRNAs, long non-coding RNAs, and circular RNAs are important molecules involved in the crosstalk with various pathways pertinent to innate immunity, mitochondrial functions, and apoptosis. METHODS: We searched articles indexed in PubMed (MEDLINE), EMBASE and Europe PubMed Central databases using the Medical Subject Heading (MeSH) or Title/Abstract words ("microRNA", "long non-coding RNA", "circular RNA", "sepsis" and/or "septic shock") from inception to Sep 2016...
November 28, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27783602/local-regulation-of-gene-expression-by-lncrna-promoters-transcription-and-splicing
#2
Jesse M Engreitz, Jenna E Haines, Elizabeth M Perez, Glen Munson, Jenny Chen, Michael Kane, Patrick E McDonel, Mitchell Guttman, Eric S Lander
Mammalian genomes are pervasively transcribed to produce thousands of long non-coding RNAs (lncRNAs). A few of these lncRNAs have been shown to recruit regulatory complexes through RNA-protein interactions to influence the expression of nearby genes, and it has been suggested that many other lncRNAs can also act as local regulators. Such local functions could explain the observation that lncRNA expression is often correlated with the expression of nearby genes. However, these correlations have been challenging to dissect and could alternatively result from processes that are not mediated by the lncRNA transcripts themselves...
October 26, 2016: Nature
https://www.readbyqxmd.com/read/27611072/comprehensive-small-rna-seq-of-adeno-associated-virus-aav-infected-human-cells-detects-patterns-of-novel-non-coding-aav-rnas-in-the-absence-of-cellular-mirna-regulation
#3
Catrin Stutika, Mario Mietzsch, Andreas Gogol-Döring, Stefan Weger, Madlen Sohn, Wei Chen, Regine Heilbronn
Most DNA viruses express small regulatory RNAs, which interfere with viral or cellular gene expression. For adeno-associated virus (AAV), a small ssDNA virus with a complex biphasic life cycle miRNAs or other small regulatory RNAs have not yet been described. This is the first comprehensive Illumina-based RNA-Seq analysis of small RNAs expressed by AAV alone or upon co-infection with helper adenovirus or HSV. Several hotspots of AAV-specific small RNAs were detected mostly close to or within the AAV-ITR and apparently transcribed from the newly identified anti-p5 promoter...
2016: PloS One
https://www.readbyqxmd.com/read/27043436/efficient-translation-of-pelargonium-line-pattern-virus-rnas-relies-on-a-ted-like-3%C3%A2-translational-enhancer-that-communicates-with-the-corresponding-5%C3%A2-region-through-a-long-distance-rna-rna-interaction
#4
Marta Blanco-Pérez, Miryam Pérez-Cañamás, Leticia Ruiz, Carmen Hernández
Cap-independent translational enhancers (CITEs) have been identified at the 3´-terminal regions of distinct plant positive-strand RNA viruses belonging to families Tombusviridae and Luteoviridae. On the bases of their structural and/or functional requirements, at least six classes of CITEs have been defined whose distribution does not correlate with taxonomy. The so-called TED class has been relatively under-studied and its functionality only confirmed in the case of Satellite tobacco necrosis virus, a parasitic subviral agent...
2016: PloS One
https://www.readbyqxmd.com/read/26799454/regulating-infidelity-rna-mediated-recruitment-of-aid-to-dna-during-class-switch-recombination
#5
REVIEW
Lauren J DiMenna, Jayanta Chaudhuri
The mechanism by which the DNA deaminase activation-induced cytidine deaminase (AID) is specifically recruited to repetitive switch region DNA during class switch recombination is still poorly understood. Work over the past decade has revealed a strong link between transcription and RNA polymerase-associated factors in AID recruitment, yet none of these processes satisfactorily explain how AID specificity is affected. Here, we review a recent finding wherein AID is guided to switch regions not by a protein factor but by an RNA moiety, and especially one associated with a noncoding RNA that has been long thought of as being inert...
March 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/26530187/differential-expression-analysis-of-human-endogenous-retroviruses-based-on-encode-rna-seq-data
#6
Kerstin Haase, Anja Mösch, Dmitrij Frishman
BACKGROUND: Human endogenous retroviruses (HERVs) are flanked by long terminal repeats (LTRs), which possess promoter activity and can therefore influence the expression of neighboring genes. HERV involvement in different types of cancer has already been thoroughly documented. However, so far there has been no systematic study of HERV expression patterns in a multitude of cell types in health and disease. In particular, the publication of the comprehensive ENCODE dataset has already facilitated many gene expression studies, but none so far focusing exclusively on HERVs...
2015: BMC Medical Genomics
https://www.readbyqxmd.com/read/26521025/transcriptome-sequencing-reveals-thousands-of-novel-long-non-coding-rnas-in-b-cell-lymphoma
#7
Akanksha Verma, Yanwen Jiang, Wei Du, Lauren Fairchild, Ari Melnick, Olivier Elemento
BACKGROUND: Gene profiling of diffuse large B cell lymphoma (DLBCL) has revealed broad gene expression deregulation compared to normal B cells. While many studies have interrogated well known and annotated genes in DLBCL, none have yet performed a systematic analysis to uncover novel unannotated long non-coding RNAs (lncRNA) in DLBCL. In this study we sought to uncover these lncRNAs by examining RNA-seq data from primary DLBCL tumors and performed supporting analysis to identify potential role of these lncRNAs in DLBCL...
2015: Genome Medicine
https://www.readbyqxmd.com/read/26506012/a-database-of-microrna-expression-patterns-in-xenopus-laevis
#8
Ayisha Ahmed, Nicole J Ward, Simon Moxon, Sara Lopez-Gomollon, Camille Viaut, Matthew L Tomlinson, Ilya Patrushev, Michael J Gilchrist, Tamas Dalmay, Dario Dotlic, Andrea E Münsterberg, Grant N Wheeler
MicroRNAs (miRNAs) are short, non-coding RNAs around 22 nucleotides long. They inhibit gene expression either by translational repression or by causing the degradation of the mRNAs they bind to. Many are highly conserved amongst diverse organisms and have restricted spatio-temporal expression patterns during embryonic development where they are thought to be involved in generating accuracy of developmental timing and in supporting cell fate decisions and tissue identity. We determined the expression patterns of 180 miRNAs in Xenopus laevis embryos using LNA oligonucleotides...
2015: PloS One
https://www.readbyqxmd.com/read/26410378/epigenetic-silencing-of-a-long-non-coding-rna-kiaa0495-in-multiple-myeloma
#9
Kwan Yeung Wong, Zhenhai Li, Xiaoqin Zhang, Gilberto Ka Kit Leung, Godfrey Chi-Fung Chan, Chor Sang Chim
In multiple myeloma, a long non-coding RNA, KIAA0495 (alias PDAM/TP73-AS1), had been found progressively downregulated from normal plasma cell to benign monoclonal gammopathy of undetermined significance to symptomatic myeloma. Herein, by methylation-specific PCR, the putative KIAA0495 promoter was found unmethylated in all healthy controls (N = 14) but methylated in 50 % of myeloma cell lines (N = 10). KIAA0495 methylation was shown inversely correlated with KIAA0495 expression. However, KIAA0495 methylation was detected in none of both primary myeloma samples at diagnosis (N = 61) and at relapse/progression (N = 16)...
2015: Molecular Cancer
https://www.readbyqxmd.com/read/26390953/age-dependent-differential-expression-profile-of-a-novel-intergenic-long-noncoding-rna-in-rat-brain
#10
Sukhleen Kour, Pramod C Rath
Long noncoding RNAs (lncRNAs) are ≥ 200 nt long, abundant class of non-protein coding RNAs that are transcribed in complex, sense- and antisense patterns from the intergenic and intronic regions of mammalian genome. Mammalian central nervous system constitutes the largest repertoire of noncoding transcripts that are known to be expressed in developmentally regulated and cell-type specific manners. Although many lncRNAs, functioning in the brain development and diseases are known, none involved in brain aging has been reported so far...
December 2015: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/26363523/age-dependent-differential-expression-profile-of-a-novel-intergenic-long-noncoding-rna-in-rat-brain
#11
Sukhleen Kour, Pramod C Rath
Long noncoding RNAs (lncRNAs) are ≥200 nt long, abundant class of non-protein coding RNAs that are transcribed in complex, sense- and antisense patterns from the intergenic and intronic regions of mammalian genome. Mammalian central nervous system constitutes the largest repertoire of noncoding transcripts that are known to be expressed in developmentally regulated and cell-type specific manners. Although many lncRNAs, functioning in the brain development and diseases are known, none involved in brain aging has been reported so far...
November 2015: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/26284247/microrna-diagnostic-perspective
#12
REVIEW
Omar Faruq, Andrea Vecchione
Biomarkers are biological measures of a biological state. An ideal marker should be safe and easy to measure, cost efficient, modifiable with treatment, and consistent across gender and ethnic groups. To date, none of the available biomarkers satisfy all of these criteria. In addition, the major limitations of these markers are low specificity, sensitivity, and false positive results. Recently identified, microRNAs (miRNAs) are endogenous, evolutionarily conserved small non-coding RNA (about 22-25 nt long), also known as micro-coordinators of gene expression, which have been shown to be an effective tools to study the biology of diseases and to have great potential as novel diagnostic and prognostic biomarkers with high specificity and sensitivity...
2015: Frontiers in Medicine
https://www.readbyqxmd.com/read/26048704/root-of-dictyostelia-based-on-213-universal-proteins
#13
Sanea Sheikh, Gernot Gloeckner, Hidekazu Kuwayama, Pauline Schaap, Hideko Urushihara, Sandra L Baldauf
Dictyostelia are common soil microbes that can aggregate when starved to form multicellular fruiting bodies, a characteristic that has also led to their long history of study and widespread use as model systems. Ribosomal RNA phylogeny of Dictyostelia identified four major divisions (Groups 1-4), none of which correspond to traditional genera. Group 1 was also tentatively identified as sister lineage to the other three Groups, although not consistently or with strong support. We tested the dictyostelid root using universal protein-coding genes identified by exhaustive comparison of six completely sequenced dictyostelid genomes, which include representatives of all four major molecular Groups...
November 2015: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/26043692/long-none-coding-rna-hottip-hoxa13-act-as-synergistic-role-by-decreasing-cell-migration-and-proliferation-in-hirschsprung-disease
#14
Hua Xie, Dongmei Zhu, Cao Xu, Hairong Zhu, Pingfa Chen, Hongxing Li, Xiang Liu, Yankai Xia, Weibing Tang
Long noncoding RNAs (lncRNAs) have been confirmed to be associated with various human diseases. However, whether they are associated with Hirschsprung disease (HSCR) progression remains unclear. In this study, we designed the experiment to explore the relationship between lncRNA HOTTIP and HOXA13, and their pathogenicity to HSCR. Quantitative real-time PCR and Western blot were performed to detect the levels of lncRNA, mRNAs, and proteins in colon tissues from 79 patients with HSCR and 79 controls. Small RNA interference transfection was used to study the function experiments in human 293T and SK-N-BE cell lines...
August 7, 2015: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/25821520/activation-of-an-endogenous-retrovirus-associated-long-non-coding-rna-in-human-adenocarcinoma
#15
Ewan A Gibb, René L Warren, Gavin W Wilson, Scott D Brown, Gordon A Robertson, Gregg B Morin, Robert A Holt
BACKGROUND: Long non-coding RNAs (lncRNAs) are emerging as molecules that significantly impact many cellular processes and have been associated with almost every human cancer. Compared to protein-coding genes, lncRNA genes are often associated with transposable elements, particularly with endogenous retroviral elements (ERVs). ERVs can have potentially deleterious effects on genome structure and function, so these elements are typically silenced in normal somatic tissues, albeit with varying efficiency...
2015: Genome Medicine
https://www.readbyqxmd.com/read/25406361/isoscm-improved-and-alternative-3-utr-annotation-using-multiple-change-point-inference
#16
Sol Shenker, Pedro Miura, Piero Sanfilippo, Eric C Lai
Major applications of RNA-seq data include studies of how the transcriptome is modulated at the levels of gene expression and RNA processing, and how these events are related to cellular identity, environmental condition, and/or disease status. While many excellent tools have been developed to analyze RNA-seq data, these generally have limited efficacy for annotating 3' UTRs. Existing assembly strategies often fragment long 3' UTRs, and importantly, none of the algorithms in popular use can apportion data into tandem 3' UTR isoforms, which are frequently generated by alternative cleavage and polyadenylation (APA)...
January 2015: RNA
https://www.readbyqxmd.com/read/25071335/role-of-non-coding-rnas-in-pancreatic-cancer-the-bane-of-the-microworld
#17
REVIEW
Yi-Ting Tang, Xiao-Hui Xu, Xiao-Dong Yang, Jun Hao, Han Cao, Wei Zhu, Shu-Yu Zhang, Jian-Ping Cao
Our understanding of the mechanisms underlying the development of pancreatic cancer has been greatly advanced. However, the molecular events involved in the initiation and development of pancreatic cancer remain inscrutable. None of the present medical technologies have been proven to be effective in significantly improving early detection or reducing the mortality/morbidity of this disease. Thus, a better understanding of the molecular basis of pancreatic cancer is required for the identification of more effective diagnostic markers and therapeutic targets...
July 28, 2014: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/24995382/accessory-proteins-of-sars-cov-and-other-coronaviruses
#18
REVIEW
Ding Xiang Liu, To Sing Fung, Kelvin Kian-Long Chong, Aditi Shukla, Rolf Hilgenfeld
The huge RNA genome of SARS coronavirus comprises a number of open reading frames that code for a total of eight accessory proteins. Although none of these are essential for virus replication, some appear to have a role in virus pathogenesis. Notably, some SARS-CoV accessory proteins have been shown to modulate the interferon signaling pathways and the production of pro-inflammatory cytokines. The structural information on these proteins is also limited, with only two (p7a and p9b) having their structures determined by X-ray crystallography...
September 2014: Antiviral Research
https://www.readbyqxmd.com/read/24760407/gene-expression-in-mycorrhizal-orchid-protocorms-suggests-a-friendly-plant-fungus-relationship
#19
Silvia Perotto, Marco Rodda, Alex Benetti, Fabiano Sillo, Enrico Ercole, Michele Rodda, Mariangela Girlanda, Claude Murat, Raffaella Balestrini
Orchids fully depend on symbiotic interactions with specific soil fungi for seed germination and early development. Germinated seeds give rise to a protocorm, a heterotrophic organ that acquires nutrients, including organic carbon, from the mycorrhizal partner. It has long been debated if this interaction is mutualistic or antagonistic. To investigate the molecular bases of the orchid response to mycorrhizal invasion, we developed a symbiotic in vitro system between Serapias vomeracea, a Mediterranean green meadow orchid, and the rhizoctonia-like fungus Tulasnella calospora...
June 2014: Planta
https://www.readbyqxmd.com/read/24721042/interleukin-6-and-tumour-necrosis-factor-%C3%AE-differentially-regulate-lincrna-transcripts-in-cells-of-the-innate-immune-system-in-vivo-in-human-subjects-with-rheumatoid-arthritis
#20
Nike Müller, Frank Döring, Maja Klapper, Katrin Neumann, Dominik M Schulte, Kathrin Türk, Johann O Schröder, Rainald A Zeuner, Sandra Freitag-Wolf, Stefan Schreiber, Matthias Laudes
lincRNAs recently have been discovered as evolutionary conserved transcripts of non-coding DNA sequences and have been implicated in the regulation of cellular differentiation. In humans, molecular studies have suggested a functional role for lincRNAs in cancer development. The aim of the present study was to examine whether these novel molecules are specifically regulated by different cytokines in cells of the innate immune system in humans in vivo and whether lincRNAs thereby might be involved in the pathophysiology of rheumatoid arthritis (RA)...
July 2014: Cytokine
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