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motifs share sequence similarity and the majority of the NRSE sites are farther than 20 kb from a gene, with a single copy per gene. A. Sequence logos of the consensus NRSE motif derived from 32 bona fide mouse REST target genes ([26], top panel), from 1301 human NRSE motifs ([25], middle panel), and from 742 X. tropicalis NRSE motifs (bottom The neuron-restrictive silencer factor (NRSF) binds a DNA sequence element, called the neuron-restrictive silencer element (NRSE), that represses neuronal gene transcription in nonneuronal cells. Consensus NRSEs have been identified in 18 neuron-specific genes. Complementary DNA clones encoding a functional fragment of NRSF were isolated and found to encode a novel protein containing eight We generated oligodeoxynucleotides (ODNs) comprised of the NRSF binding sequence (NRSE), modified their backbone for stability and infused them into the brain. These ODNs acted as ‘decoys’, binding to cellular NRSF and inhibiting its ability to bind to target genes (McClelland et al., 2011a). In RNA immunoprecipitation and gel-shift assays, NRSF specifically interacted with the NRSE sequence of MOR mRNA.

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FIGURE 1: HCN1 Gene Contains a Conserved NRSE HCN1 Gene Contains a Conserved NRSE (McClelland, et al., 2008) Aside from the NRSE consensus sequence (the series of nucleotides most frequently found at NRSE 3700J *** Recommended to Fulfill Tier I Jr. Comp NRSE 3700J*** Recommended to Fulfill Tier I Jr. Comp NRSE 4741**** 2nd School Nurse Course - must be taken in sequence *NRSE 4600, Nursing Excellence – contact your advisor via email to request permission to be added to the course at least 5 weeks prior to start date. In addition to the influence on the ANP gene, the NRSE sequence regulates other cardiac embryonic genes, such as brain natriuretic peptide BNP, skeletal α-actin, and Na, K – ATPase α3 subunit. Hence, the regulatory activity of both NRSE and NRSF in mammals prevents not only neural dysfunctions but also physiological and phenotypical abnormalities in other non-neuronal regions of the body. The silencer activity of this region is mediated solely by a repressor element 1 or neuron-restrictive silencer element (RE1/NRSE). Moreover, several proteins, including RE1-silencing transcription factor or neuron-restrictive silencer factor, are recruited by this regulatory sequence. 2015-02-11 · The neuron-restrictive silencer factor (NRSF) binds with the neuron-restrictive silencer element (NRSE), thereby suppressing the transcription of NRSE-containing genes. In this study, we show that the NRSE sequence of the VGF gene critically regulates the repression of VGF expression in NMB cells.

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Repressor element-1 silencing transcription factor (REST) is a transcriptional repressor of neuron-specific genes that binds to a conserved DNA element, the neuron restrictive silencer element (NRSE/RE1). Interestingly, increased REST activity is found in several neurological diseases like Huntington's disease and cerebral ischemia. NRSE-sequence oligonucleotides (ODNs) block the downregulation of HCN1 channels by KA-induced seizure-like events in hippocampal organotypic slice cultures. ( A ) The hcn1 gene contains a highly conserved NRSF recognizing element (NRSE) within its first 2000-11-24 2006-11-27 2007-02-02 2015-02-11 1997-09-22 Kontorsservice - NRSE - Miljöoptimerad helhetslösning till kontoret.

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Transient transfec-tion assays ofthis construct showed that a single copy of synapsin I NRSE repressed the fos promoter activity by 2-foldinHeLacells(Fig. 2).

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When MOR and NRSF genes were coexpressed, the specific ligand-binding activity of MOR was increased in neuroblastoma NMB cells, but decreased in PC12 cells result from its localization. The NRSE sequence from the human BNP promoter or its mutated sequence was inserted, in tandem, into the pGL4.10-TK-luc reporter plasmid (Fig.

For optimal silencing of L1 gene expression by the NRSE-binding factor RE-1–silencing transcription factor (REST)/NRSF, both the NRSE and sequences in the first intron were required. To better restrict transgene expression to the nervous system in zebrafish larvae, we have used DNA sequences derived from the neuron-restrictive silencing element (NRSE). We find that one such sequence, REx2, when used in conjunction with several basal promoters, robustly suppresses transgene expression in non-neuronal tissues.
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2007-06-07 In non-neuronal cells, neuron-restrictive silencer factor (NSRF) actively represses gene transcription via a sequence-specific DNA motif known as the neuron-restrictive silencer element (NRSE). This DNA motif has been identified in many genes that are specific markers … 2015-05-14 2009-04-02 In addition, we inserted the tandem NRSE sequence or mutant NRSE into pGL3‐control vector .

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As shown in the inset of Fig. 1 , the NRSE-like sequence identified within the intron of the HCN4 gene is highly conserved among several species and is homologous to the consensus NRSE, suggesting that it might mediate an important regulatory function in the HCN4 transcription.

2006-04-20 The silencer activity of this region is mediated solely by a repressor element 1 or neuron-restrictive silencer element (RE1/NRSE).