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Identification of YTHDF1 targeted m6A modified transcripts in lung cancer cells

ABSTRACT: 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

ORGANISM(S): Homo sapiens

PROVIDER: GSE136433 | GEO | 2019/09/26

REPOSITORIES: GEO

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The m6A reader YTHDF1 attenuates fulminant hepatitis via MFG-E8 translation in an m6A dependent manner [m6a-seq]

Project description:We report the application of RNA-Seq, m6A-Seq and RIP-Seq to find out YTHDF1 regulate the target genes.

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The m6A reader YTHDF1 attenuates fulminant hepatitis via MFG-E8 translation in an m6A dependent manner [RIP-seq]

Project description:We report the application of RNA-Seq, m6A-Seq and RIP-Seq to find out YTHDF1 regulate the target genes.

2023-08-21 | GSE228280 | GEO

The m6A reader YTHDF1 attenuates fulminant hepatitis via MFG-E8 translation in an m6A dependent manner [RNA-seq]

Project description:We report the application of RNA-Seq, m6A-Seq and RIP-Seq to find out YTHDF1 regulate the target genes.

2023-08-21 | GSE228274 | GEO

Anti-YTHDF1 and anti-YTHDF2 RIP-Seq to identify the target mRNAs for YTHDF1 and YTHDF2, respectively

Project description:To identify the target mRNAs of the m6A reader protein YTHDF1 and YTHDF2, we carired out anti YTHDF1 and anti YTHDF2 RNA Immunoprecipitation (RIP) followed by RNA-sequencencing. Using EZ-Magna RIP™ RNA-Binding Protein Immunoprecipitation Kit (Millipore), RNA from P6-P8 wild type mouse cerebellum was pulled down by rabbit polyclonal anti-YTHDF1 (proteintech) or polyclonal anti-YTHDF2 (proteintech) and then sequenced on Illumina HiSeq3000 platform. The filtered reads were mapped to the mouse reference genome (GRCm38) using STAR v2.5 with default parameters. The resulting bam files were fed to HTSeq tool to count the number of RNA-seq reads, which was further normalized to calculate FPKM. To determine which gene is enriched, we computed the FPKM from RIP elute to input and any fold change greater than 2 was considered enriched. Finally, Biological replicates of anti-YTHDF1 RIP-Seq and anti-YTHDF2 RIP-Seq identified 506 and 596 mRNAs transcripts, respectively. This study provides gene lists which shows mRNA binding with YTHDF1 and YTHDF2 in mouse cerebellum.

2021-12-10 | GSE153689 | 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.

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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 and YTHDF1, YTHDF2, YTHDF3 mapping of IAV RNA with PAR-CLIP and pA-m6A-seq

Project description:m6A and YTHDF1, YTHDF2, YTHDF3 mapping of IAV RNA with PAR-CLIP and pA-m6A-seq

2017-10-17 | GSE98033 | GEO

Identification of YTHDF1 targeted m6A modified transcripts in lung cancer cells

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

| PRJNA562532 | ENA

RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (RNA-seq and RIP-seq in in GMDCs)

Project description:Emerging evidence emphasizes the important role of tumor neoantigen in generating the spontaneous antitumor immune response and predicting the clinical response to immunotherapies. Despite the presence of numerous neoantigens, complete tumor elimination rarely occurs in majority of patients due to failures in mounting a sufficient and lasting antitumor immunity. Here we show that the durable neoanitgen-specific immunity is regulated by a m6A-binding protein, Ythdf1. In contrast to wild-type mice, Ythdf1-deficient (Ythdf1-/-) mice generate more antigen-specific CD8+ T cell response for persistent tumor control. Loss of Ythdf1 in dendritic cell (DC) results in an enhanced cross-presentation of tumor antigen and cross-priming of CD8+ T cell in vivo. To confirm our observations, we performed RNA-Seq to analyze the transcriptional level of genes in DCs and performed RNA Immunoprecipitation (RIP-seq) to locate the binding sites of Ythdf1.

2018-12-29 | GSE106772 | GEO

Anti YTHDF1 and YTHDF2 RIP-seq to identify target mRNAs in mouse cortex and retina

Project description:To identify the target mRNAs of the m6A reader proteins YTHDF1 and YTHDF2, we carried out anti-YTHDF1 and anti-YTHDF2 RNA Immunoprecipitation (RIP) followed by RNA-sequencing. Using EZ-Magna RIP™ RNA-Binding Protein Immunoprecipitation Kit (Millipore), RNA from E12.5 wild-type mouse cortices and P0 wild-type mouse retinas was pulled down by rabbit polyclonal anti-YTHDF1 (proteintech) and rabbit polyclonal anti-YTHDF2 (proteintech), and then sequenced on Illumina HiSeq3000 platform. The filtered reads were mapped to the mouse reference genome (GRCm38) using STAR v2.5 with default parameters. The resulting bam files were fed to the HTSeq tool to count the number of RNA-seq reads, which was further normalized to calculate FPKM. To determine which gene is enriched, we computed the FPKM from RIP elute to input, and any fold change greater than 2 was considered enriched. From the embryonic cortex, we identified 986 and 1860 mRNAs by anti-YTHDF1 and anti-YTHDF2 RIP-seq, respectively. Anti-YTHDF1 and anti-YTHDF2 RIP-seq in mouse retina identified 2969 and 1638 mRNAs, respectively. This study provides the gene lists which show mRNAs binding with YTHDF1 and YTHDF2 in the mouse cortex and retina.

2022-08-05 | GSE199962 | GEO

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