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RNA helicase DDX10 is Required for Pluripotency of Stem Cells by Regulating 18S rRNA Processing (CLIP-Seq)

ABSTRACT: RNA helicase DDX10 is Required for Pluripotency of Stem Cells by Regulating 18S rRNA Processing (CLIP-Seq)

PROVIDER: PRJNA970812 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24488163.fastq.gz	Fastqsanger.gz
	SRR24488164.fastq.gz	Fastqsanger.gz

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Similar Datasets

RNA helicase DDX10 is Required for Pluripotency of Stem Cells by Regulating 18S rRNA Processing (CLIP-Seq)

Project description:Ribosomes, as a protein synthesis machine, are required for stem cells to maintain self-renewal. Here, we find that DEAD-box RNA helicase DDX10 is necessary for cellular pluripotency acquisition in somatic cell reprogramming, and in mouse embryonic stem cells (mESCs), DDX10 degradation disrupts cellular homeostasis, leads to cell cycle arrest in G1 phase and markedly inhibits cell proliferation. DDX10 is localized in dense fiber component (DFC) and granular component (GC), mainly binds to 45S ribosomal RNA (rRNA) and participates in regulating ribosome biogenesis. Specifically, DDX10 degradation prevents the release of U3 snoRNA from pre-rRNA, and disrupts pre-rRNA processing and maturation of 18S rRNA, leading to impaired ribosomal small subunit production. Together, this study reveals that DDX10 functions as an important regulator of ribosome biogenesis, and is essential for the survival, induction and maintenance of pluripotent stem cells.

2024-10-15 | GSE232093 | GEO

RNA helicase DDX10 is Required for Pluripotency of Stem Cells by Regulating 18S rRNA Processing (RNA-Seq)

2024-10-15 | GSE232092 | GEO

RNA helicase DDX10 is Required for Pluripotency of Stem Cells by Regulating 18S rRNA Processing

Project description:RNA helicase DDX10 is Required for Pluripotency of Stem Cells by Regulating 18S rRNA Processing

| PRJNA970810 | ENA

RNA helicase DDX10 is Required for Pluripotency of Stem Cells by Regulating 18S rRNA Processing (RNA-Seq)

Project description:RNA helicase DDX10 is Required for Pluripotency of Stem Cells by Regulating 18S rRNA Processing (RNA-Seq)

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RNA helicase DDX10 is Required for Pluripotency of Stem Cells by Regulating 18S rRNA Processing

Project description:This SuperSeries is composed of the SubSeries listed below.

2024-10-14 | GSE232096 | GEO

Loss of NOL10 leads to impaired disease progression of NUP98::DDX10 leukemia

Project description:NUP98 rearrangements associated with acute myeloid leukemia and myelodysplastic syndromes generate NUP98-fusion proteins. One such fusion protein, NUP98::DDX10, contains the putative RNA helicase DDX10. The molecular mechanism by which NUP98::DDX10 induces leukemia is not well understood. Here, we show that 24 amino acids within the DDX10 moiety of NUP98::DDX10 are crucial for cell immortalization and leukemogenesis. NOL10, nucleolar protein 10, interacts with the 24 amino acids, and NOL10 is a critical dependency of NUP98::DDX10 leukemia development. Studies in a mouse model of NUP98::DDX10 leukemia showed that loss of Nol10 impaired disease progression and improved survival. We also identified a novel function of NOL10 in that it acts cooperatively with NUP98::DDX10 to regulate serine biosynthesis pathways and stabilize ATF4 mRNA. Collectively, these findings suggest that NOL10 is a critical regulator of NUP98::DDX10 leukemia, and that targeting NOL10 (or the serine synthesis pathway regulated by NOL10) may be an effective therapeutic approach.

2025-03-31 | GSE279389 | GEO

Ddx10 functions as a positive regulator of somatic cell reprogramming

Project description:RNA-binding proteins (RBPs) function in all steps of cellular RNA metabolism. Here, we find that Ddx10 gain-of-function promotes but loss-of-function impedes somatic cell reprogramming. Ddx10 loss-of-function results in significantly abnormal expression of innate immune response genes at the late stage of reprogramming. Knockdown of interferon transcription factor Irf1 or its downstream targets, Igtp and Tgtp2, respectively, obviously inhibited reprogramming. This study revealed that Ddx10 regulated reprogramming through modulating innate immune network.

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MOV10 is a 5' to 3' RNA Helicase Contributing to UPF1 mRNA Target Degradation by Translocation Along 3' UTRs (PAR-CLIP)

Project description:RNA helicases are important regulators of gene expression that act by remodeling RNA secondary structures and as RNA-protein interactions. Here, we demonstrate that MOV10 has an ATP-dependent 5' to 3' in vitro RNA unwinding activity and determine the RNA-binding sites of MOV10 and its helicase mutants using PAR-CLIP. We find that MOV10 predominantly binds to 3' UTRs upstream of regions predicted to form local secondary structures and provide evidence that MOV10 helicase mutants are impaired in their ability to translocate 5' to 3' on their mRNA targets. MOV10 interacts with UPF1, the key component of the nonsense-mediated mRNA decay pathway. PAR-CLIP of UPF1 reveals that MOV10 and UPF1 bind to RNA in close proximity. Knockdown of MOV10 resulted in increased mRNA half-lives of MOV10-bound as well as UPF1-regulated transcripts, suggesting that MOV10 functions in UPF1-mediated mRNA degradation as an RNA clearance factor to resolve structures and displace proteins from 3' UTRs. Flp-In T-REx HEK293 cells expressing FLAG/HA-tagged MOV10 WT, MOV10 K530A, MOV10 D645N and UPF1 were sequenced. mRNA half-life data under GSE56751.

2014-04-11 | E-GEOD-48245 | biostudies-arrayexpress

MOV10 is a 5' to 3' RNA Helicase Contributing to UPF1 mRNA Target Degradation by Translocation Along 3' UTRs (PAR-CLIP)

2014-04-11 | GSE48245 | GEO

Arabidopsis HOT3/eIF5B1 constrains rRNA RNAi by facilitating 18S rRNA maturation during translation initiation (18S END-Seq)

Project description:Ribosome biogenesis is essential for protein synthesis in gene expression. Yeast eIF5B has been shown biochemically to facilitate 18S rRNA 3’ end maturation during late-40S ribosomal subunit assembly and gate the transition from translation initiation to elongation. But the effects of eIF5B have not been studied at the genome-wide level in any organism, and 18S rRNA 3’ end maturation is poorly understood in plants. Arabidopsis HOT3/eIF5B1 was found to promote development and heat-stress acclimation by translational regulation, but its molecular function remained unknown. Here, we show that HOT3 is a late-stage ribosome biogenesis factor that facilitates 18S rRNA 3’ end processing and is a translation initiation factor that globally impacts the transition from initiation to elongation. By developing and implementing 18S-ENDseq, we revealed previously unknown events in 18S rRNA 3’ end maturation or metabolism. We quantitatively defined new processing hotspots and identified adenylation as the prevalent non-templated RNA modification at the 3’ ends of pre-18S rRNAs. Aberrant 18S rRNA maturation in hot3 further activated RNAi to generate RDR1- and DCL2/4-dependent risiRNAs mainly from a 3’ portion of 18S rRNA. We further showed that risiRNAs in hot3 were predominantly localized in ribosome-free fractions not responsible for the 18S rRNA maturation or translation initiation defects in hot3. Our study uncovered the molecular function of HOT3/eIF5B1 in 18S rRNA maturation at the late-40S assembly stage and revealed the regulatory crosstalk among ribosome biogenesis, mRNA translation initiation, and siRNA biogenesis in plants.

2023-04-19 | GSE223167 | GEO

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