Non-coding Small RNAs and Gene Repression
Non-coding RNAs: lessons from the small nuclear and small nucleolar RNAs
... Lsm-class small nuclear RNAs. a | Sm-class small nuclear (sn)RNAs are transcribed by RNA polymerase II and contain three important recognition elements (boxed): a 5 ′-trimethylguanosine (TMG) ...
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The complex network of p53-regulated small non-coding RNAs and their gene targets in cancer
... a small alteration in its function can have a significant effect on a finely balanced system that allows cells to switch between cell cycle arrest, senescence and DNA repair, and ...regulated small ...
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Databases and resources for human small non-coding RNAs
... affect gene expression 70 and also splicing 71 by inducing chromatin ...affect gene expression through a similar pathway affecting chromatin, 72 and other sRNAs originating from sense-antisense ...
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Small non-coding RNAs and cancer: a bioinformatics approach
... on gene products or on regions of genetic material) and miRNomics (study of miRnoma), each of these stimulating in turn the development of new ones technologies to facilitate ...
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High-throughput sequencing and small non-coding RNAs
... tiny RNAs is of great importance for their binding, small differences ...longer RNAs, it was like fishing in muddy waters and thus a very expensive ...
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Non coding RNAs and retroviruses
... A small subset of host miRNAs are shown to be concentrated in the HIV-1 virions by up to 115 folds ...the non-coding RNAs and retrovirus assembly section ...the non- coding ...
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Non-Coding RNAs in Bacteria
... of gene regulation involves a high degree of sequence complementarity, and this was considered an indication that interaction of the Hfq protein would not be required [23, ...
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Long Non-coding RNAs and Their Roles in Non-small-cell Lung Cancer
... studies have reported lncRNA expression in NSCLCs. For instance, using high-throughput microarrays, Xu et al identi- fied 2420 lncRNAs that were differentially expressed (fold change P2) between LAD and normal tissue ...
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Modulation of gene-specific epigenetic states and transcription by non-coding RNAs
... that small ncRNAs, derived de novo could affect gene transcription, little was known as to whether or not there were active ncRNAs modulating gene transcription in human ...of gene ...
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Integrative transcriptome analysis suggest processing of a subset of long non-coding RNAs to small RNAs
... experimental small RNA deep sequencing datasets in public domain [25,26] motivated us to address the hypothesis that many of the lncRNAs have potential to encode for smaller functional ...these small ...
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Small non coding RNAs, mammalian cells, and viruses: regulatory interactions?
... alizing suppressive activities in non-viral transfection- based over expression assays. Evasion If protection or suppression fails, viruses can evade sequence-complementarity-driven RNAi through muta- tions. ...
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Involvement of short RNAs in polycomb-mediated gene repression
... PRC1 is composed of six groups of subunits (Table 1). The components of this complex and respective Drosophila/mammalian orthologues are: Ph/HPH1-3 (polycomb-like protein); Pcs/ PCGF1-6; Pc/CBX family (Polycomb ...
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Genetic variation in the non-coding genome: Involvement of micro-RNAs and long non-coding RNAs in disease
... 12. Perspectives The rapid evolution of next-generation sequencing technologies and the expected drop in cost of assays mean that we will soon be able to sequence large numbers of genomes and transcriptomes. This will ...
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Evolutionary patterns of non-coding RNAs
... bacterial genomes. They identified a highly conserved regulatory RNA struc- ture, the B12-element a cobalamin riboswitch, which is widely distributed in 5’-UTRs of vitamin B 12 related genes in eubacteria. Comparison of ...
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LONG NON-CODING RNAs IN CANCER
... MIR100HG is a polycistronic miRNA host gene of miR-100, let-7a-2 and miR-125b- 1. MIR100HG-derived miRNAs and MIR99AHG-derived miRNAs, participate in the pathogenesis of acute megakaryoblastic leukemia 374 and ...
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Non-coding RNAs in cardiac regeneration
... miRNA/lncRNA-based treatments is a promising emerging field in medicine [93]. One miRNA can control hundreds of genes, and in turn, one gene may be regulated by several miRNAs. Therefore, a major problem is ...
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Encoding activities of non-coding RNAs
... various non-coding RNAs (ncRNAs) is now considered the main feature of organisms’ ...contain small open reading frames ...potential coding capacity of ncRNAs, in particular, about what ...
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Non-Coding RNAs in Ovarian Cancer
... According to the competing endogenous RNA (ceRNA) hypothesis, RNAs compete for binding sites intracellularly (Salmena et al. 2011). In the traditional sense, microRNAs re- duce protein expression as discussed in ...
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Long Non-coding RNAs in the Cytoplasm
... Recent findings have shown that certain transcripts previously-annotated as lncRNAs in fact can be translated to produce small bioactive peptides [97–100] . For instance, the conserved micropeptide myoregulin ...
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Non-coding RNAs in Transcriptional Regulation
... Chromatin structure also plays a central role in piRNA biogenesis, in addition to defining piRNA-generating genomic loci, such as piRNA clusters. Increasing evidence suggests that piRNA clusters have a unique chromatin ...
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