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Identification of YTHDF1 targeted m6A modified transcripts in lung cancer cells

ABSTRACT: Identification of YTHDF1 targeted m6A modified transcripts in lung cancer cells

PROVIDER: PRJNA562532 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10039471_1.fastq.gz	Fastqsanger.gz
	SRR10039471_2.fastq.gz	Fastqsanger.gz
	SRR10039472_1.fastq.gz	Fastqsanger.gz
	SRR10039472_2.fastq.gz	Fastqsanger.gz
	SRR10039473_1.fastq.gz	Fastqsanger.gz

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Identification of YTHDF1 targeted m6A modified transcripts in lung cancer cells

Project description:In addition to perform the m6A-seq in A549 cells, we sequenced RNA obtained from the immuno-purified complex of YTHDF1 (RIP-seq) to reveal YTHDF1 bound mRNAs, 3,676 genes were shared (m6A-seq+RIP-seq) as high-confident targets of YTHDF1 , which were mapped to cell cycle and tumor (including lung cancer) related signaling pathways in the KEGG pathway database

2019-09-26 | GSE136433 | GEO

m6A sequences 2 WT_input vs 2 Ythdf1 KO_input

Project description:Methylated RNA immunoprecipitation(MeRIP) with specific m6A antibody and used for library construction and the next generation sequencing, to identify m6A modified transcripts in WT or Ythdf1 deficiency colon epithelial cells after DSS treatment

2024-11-17 | GSE281731 | GEO

Expression data from YTHDF1 or YTHDF2 down-regulated PC9

Project description:The human YTH domain family protein (YTHDF) family is RNA binding protein which specifically recognizes N6-methyladenosine (m6A), and exerts distinct roles in eukaryocytes; YTHDF1 promotes the translation of m6A modified mRNAs collaborating with initiation factors, and YTHDF2 reduces the stability of the m6A-modified transcripts. We used the Nanostring nCounter to detail the differential gene expression by YTHDF1 and YTHDF2.

2021-08-24 | GSE171634 | GEO

m6A-facilitated hippocampal learning and memory through Ythdf1

Project description:N6-methyladenosine (m6A) is the most prevalent internal RNA modification in mammalian messenger RNAs (mRNAs). While m6A has been shown to mark groups of mRNAs for coordinated degradation in various physiological processes, the relevance of m6A in affecting translation remains to be determined in intact biological systems in vivo. Here we show that, through its reader protein Ythdf1, m6A promotes a pulse of protein synthesis of target transcripts in response to neuronal stimuli in the adult mouse hippocampus, thereby facilitating learning and memory processes. Mice with genetic deletion of the Ythdf1 gene (Ythdf1-/-) exhibit learning and memory defects, as well as impaired hippocampal synaptic transmission and long-term potentiation (LTP). Selective re-expression of Ythdf1 in the hippocampus of adult Ythdf1-/- mice fully rescues the behavioral and synaptic defects, while hippocampus-specific knockdown of Ythdf1 or Mettl3, the catalytic component of m6A methyltransferase complex, recapitulates the hippocampal deficiency in adult mice. At the molecular level, transcriptome-wide mapping of m6A sites and RNA binding sites of Ythdf1 on hippocampal mRNAs using crosslinking immunoprecipitation followed by high-throughput sequencing (CLIP-seq) uncovered key neuronal genes, including those involved in synaptic transmission and long-term potentiation. Nascent protein labelling and tether reporter assays in cultured hippocampal neurons revealed that Ythdf1 is critical for initiating a pulse of protein synthesis of target transcripts in a neuronal-stimulus-dependent manner. Collectively, our results uncover a pathway of mRNA m6A methylation in learning and memory, which is mediated through Ythdf1 in response to stimuli.

2018-08-17 | GSE106607 | GEO

m6A-modified transcripts in the context of MI

Project description:m6A-modified transcripts in the context of MI

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Mettl3-m6A-YTHDF1 axis promotion of mitochondrial dysfunction in metabolic dysfunction–associated steatotic liver disease (MASLD)

Project description:The N6-methyladenosine (m6A) mRNA modification and the mitochondrial respiratory chain (MRC) hold paramount importance in the advancement of MASLD. This study thoroughly investigates the relationship and impact of m6A mRNA modification and mitochondrial function in the progression of MASLD. Here we report that the mRNA and protein levels of mitochondrial respiratory chain (MRC) subunits showed inconsistent trends in vivo experiments. Abnormal m6A modification and mitochondrial dysfunction in MASLD were attributed to the upregulation of methyltransferase like 3 (Mettl3) and the downregulation of YTH N6-methyladenosine RNA binding protein 1 (YTHDF1) induced by high-fat foods. Mettl3 promoted the MRC's function. However, knockout of the reader protein YTHDF1, which plays a crucial role in the m6A modification process, counteracted the effect of Mettl3 and suppressed MRC. In MASLD, damage to the MRC may be regulated by the Mettl3-m6A-YTHDF1 complex axis, especially by the role of YTHDF1. Our research has offered a novel perspective on the involvement of m6A mRNA methylation in the pathogenesis of MASLD.

2024-09-20 | PXD047819 | Pride

m6A-modified transcripts in the context of MI

Project description:Roles of m6A-modified mRNA transcripts in the context of MI were preliminarily verified. In the context of m6A methylation, three hub mRNAs were validated to impact the process of apoptosis/angiogenesis. Our study provided theoretical basis and innovative targets for treatment of MI and paved the way for future investigations aiming at exploring upstream epigenetic mechanisms of pathogenesis after MI.

2022-02-18 | GSE189593 | GEO

Gene expression and m6A profiling for AGS cells with sh-NC or sh-YTHDF1 [RNA-seq and MeRIP-seq]

Project description:N6-methyladenosine (m6A) RNA methylation is implicated in the progression of multiple cancers via influencing mRNA modification. Intersection of RNA-seq, Methylated RNA immune-precipitation (MeRIP)-seq, co-immunoprecipitation, RNA pull-down and MeRIP-PCR were used to identify YTHDF1- modified USP14 and its m6A levels in GC cells. Intersection assays revealed that YTHDF1 promoted USP14 protein translation in an m6A-dependent manner. Our data suggested that m6A reader YTHDF1 facilitated tumorigenesis and metastasis of GC by promoting USP14 protein translation and might act as a clinical therapy for GC.

2021-04-07 | GSE166972 | GEO

RNA-seq and Mass spectrometry analysis reveals the roles of YTHDF1 in aging

Project description:To understand the functional roles of YTHDF1 in cellular senescence and aging, we lead the RNA sequence in WT or Ythdf1 deficiency colon epithelial cells. The results showed that the cholesterol biosynthesis related genes were upregulated in Ythdf1 KO mice. We also purified FLAG-YTHDF1 protein in HEK293T cells and did protein mass spectrometry, and found that the mTORC1 and TSC complex constituents mTOR, RPTOR, and TSC1/2 were identified in the YTHDF1-complex. Methylated RNA immunoprecipitation(MeRIP) with specific m6A antibody and used for library construction and the next generation sequencing, to identify m6A modified transcripts in WT or Ythdf1 deficiency colon epithelial cells after DSS treatment

2020-05-06 | GSE149883 | GEO

YTHDF1 suppresses innate immune responses by promoting induction of A-to-I RNA editing

Project description:In this study, we show that the m6A modification promotes translation of the ADAR1 transcript, which encodes an A-to-I RNA editing enzyme, in response to interferon stimulation. We reveal that this translation upregulation is mediated by the YTHDF1-dependent pathway; YTHDF1 is a reader protein that can preferentially bind m6A-modified transcripts and promote translation. Knockdown of YTHDF1 reduces the overall levels of interferon-induced A-to-I RNA editing, which consequently activates dsRNA-sensing pathway and increased expression of various interferon-stimulated genes. These RNA-seq experiments investigate the effect of YTHDF1 knockdown on the interferon-treated A172 cell transcriptome.

2021-05-14 | GSE148542 | GEO

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