نتایج جستجو برای: dicer1 protein
تعداد نتایج: 1235057 فیلتر نتایج به سال:
Let-7 miRNAs act as tumour suppressors by directly binding to the 3'UTRs of downstream gene products. The regulatory role of let-7 in downstream gene expression has gained much interest in the cancer research community, as it controls multiple biological functions and determines cell fates. For example, one target of the let-7 family is cyclin D1, which promotes G0/S cell cycle progression and ...
Telomeric regions are known to be transcribed in several organisms. Although originally reported to be transcribed from all chromosomes with enrichment near the inactive X of female cells, we show that telomeric RNAs in fact are enriched on both sex chromosomes of the mouse in a developmentally specific manner. In female stem cells, both active Xs are marked by the RNAs. In male stem cells, bot...
Selected gene sets significantly enriched at FDR<0.05 among the genes differentially expressed between cases of PTSD&Dep and controls (at p<0.01) from GSEA.
Studies from flies and insects have reported the existence of a special class of miRNA, called mirtrons that are produced from spliced-out introns in a DROSHA-independent manner. The spliced-out lariat is debranched and refolded into a stem-loop structure resembling the pre-miRNA, which can then be processed by DICER into mature ~21 nt species. The mirtrons have not been reported from plants. I...
MicroRNAs (miRNAs) constitute a novel, phylogenetically extensive family of small RNAs ( approximately 22 nucleotides) with potential roles in gene regulation. Apart from the finding that miRNAs are produced by Dicer from the precursors of approximately 70 nucleotides (pre-miRNAs), little is known about miRNA biogenesis. Some miRNA genes have been found in close conjunction, suggesting that the...
The conserved ribonuclease Dicer generates microRNAs and short-interfering RNAs that guide gene silencing in eukaryotes. The specific contributions of human Dicer's structural domains to RNA product length and substrate preference are incompletely understood, due in part to the difficulties of Dicer purification. Here, we show that active forms of human Dicer can be assembled from recombinant p...
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