Search Results - "Kiledjian, Megerditch"
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Xrn1 is a deNADding enzyme modulating mitochondrial NAD-capped RNA
Published in Nature communications (16-02-2022)“…The existence of non-canonical nicotinamide adenine diphosphate (NAD) 5′-end capped RNAs is now well established. Nevertheless, the biological function of this…”
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SOD1 regulates ribosome biogenesis in KRAS mutant non-small cell lung cancer
Published in Nature communications (15-04-2021)“…SOD1 is known as the major cytoplasmic superoxide dismutase and an anticancer target. However, the role of SOD1 in cancer is not fully understood. Herein we…”
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Structural and mechanistic basis of mammalian Nudt12 RNA deNADding
Published in Nature chemical biology (01-06-2019)“…We recently demonstrated that mammalian cells harbor nicotinamide adenine dinucleotide (NAD)-capped messenger RNAs that are hydrolyzed by the DXO deNADding…”
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The ROQ domain of Roquin recognizes mRNA constitutive-decay element and double-stranded RNA
Published in Nature structural & molecular biology (01-08-2014)“…Roquin recognizes the CDE element in mRNAs to promote their decay. Crystal structures of human Roquin ROQ domain in complex with RNA reveals two distinct…”
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5′ End Nicotinamide Adenine Dinucleotide Cap in Human Cells Promotes RNA Decay through DXO-Mediated deNADding
Published in Cell (09-03-2017)“…Eukaryotic mRNAs generally possess a 5′ end N7 methyl guanosine (m7G) cap that promotes their translation and stability. However, mammalian mRNAs can also…”
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A Mammalian Pre-mRNA 5′ End Capping Quality Control Mechanism and an Unexpected Link of Capping to Pre-mRNA Processing
Published in Molecular cell (11-04-2013)“…Recently, we reported that two homologous yeast proteins, Rai1 and Dxo1, function in a quality control mechanism to clear cells of incompletely 5′ end-capped…”
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Multiple Nudix family proteins possess mRNA decapping activity
Published in RNA (Cambridge) (01-03-2013)“…RNA decapping is an important contributor to gene expression and is a critical determinant of mRNA decay. The recent demonstration that mammalian cells harbor…”
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Highly efficient 5' capping of mitochondrial RNA with NAD + and NADH by yeast and human mitochondrial RNA polymerase
Published in eLife (12-12-2018)“…Bacterial and eukaryotic nuclear RNA polymerases (RNAPs) cap RNA with the oxidized and reduced forms of the metabolic effector nicotinamide adenine…”
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9
Differential regulation of microRNA stability
Published in RNA (Cambridge) (01-05-2010)“…MicroRNAs (miRNAs) are endogenous single-stranded RNA molecules of about 21 nucleotides in length that are fundamental post-transcriptional regulators of gene…”
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10
Identification of a quality-control mechanism for mRNA 5′-end capping
Published in Nature (London) (30-09-2010)“…The 7-methylguanosine cap structure at the 5′ end of eukaryotic messenger RNAs is a critical determinant of their stability and translational efficiency. It is…”
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11
3' Terminal oligo U-tract-mediated stimulation of decapping
Published in RNA (Cambridge) (01-12-2007)“…Decapping is a critical step in the control of gene expression and is regulated by both positive and negative trans factors. Less is known about cis elements…”
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Structure and function of the 5′→3′ exoribonuclease Rat1 and its activating partner Rai1
Published in Nature (London) (09-04-2009)“…Exoribonucleases in yeast Exoribonucleases are important processing enzymes in many aspects of RNA metabolism. The activity of yeast Rat1, a 5′–3′ exonuclease,…”
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NADcapPro and circNC: methods for accurate profiling of NAD and non-canonical RNA caps in eukaryotes
Published in Communications biology (13-04-2023)“…Accurate identification of NAD-capped RNAs is essential for delineating their generation and biological function. Previous transcriptome-wide methods used to…”
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The DcpS inhibitor RG3039 improves survival, function and motor unit pathologies in two SMA mouse models
Published in Human molecular genetics (15-10-2013)“…Spinal muscular atrophy (SMA) is caused by insufficient levels of the survival motor neuron (SMN) protein due to the functional loss of the SMN1 gene and the…”
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15
Functional Link between the Mammalian Exosome and mRNA Decapping
Published in Cell (14-12-2001)“…Mechanistic understanding of mammalian mRNA turnover remains incomplete. We demonstrate that the 3′ to 5′ exoribonuclease decay pathway is a major contributor…”
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Preparation of RNAs with non-canonical 5' ends using novel di- and trinucleotide reagents for co-transcriptional capping
Published in Frontiers in molecular biosciences (19-08-2022)“…Many eukaryotic and some bacterial RNAs are modified at the 5' end by the addition of cap structures. In addition to the classic 7-methylguanosine 5' cap in…”
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Dcp2 Decapping Protein Modulates mRNA Stability of the Critical Interferon Regulatory Factor (IRF) IRF-7
Published in Molecular and Cellular Biology (01-03-2012)“…Article Usage Stats Services MCB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Mutations in DCPS and EDC3 in autosomal recessive intellectual disability indicate a crucial role for mRNA decapping in neurodevelopment
Published in Human molecular genetics (01-06-2015)“…There are two known mRNA degradation pathways, 3' to 5' and 5' to 3'. We identified likely pathogenic variants in two genes involved in these two pathways in…”
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Eukaryotic RNA 5′-End NAD+ Capping and DeNADding
Published in Trends in cell biology (01-06-2018)“…A hallmark of eukaryotic mRNAs has long been the 5′-end m7G cap. This paradigm was recently amended by recent reports that Saccharomyces cerevisiae and…”
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The hDcp2 Protein Is a Mammalian mRNA Decapping Enzyme
Published in Proceedings of the National Academy of Sciences - PNAS (01-10-2002)“…Decapping of mRNA is a critical step in eukaryotic mRNA turnover, yet the proteins involved in this activity remain elusive in mammals. We identified the human…”
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