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Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network [m6A-RIP-RNA-seq]

ABSTRACT: Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network [m6A-RIP-RNA-seq]

PROVIDER: PRJNA815663 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18312828_1.fastq.gz	Fastqsanger.gz
	SRR18312828_2.fastq.gz	Fastqsanger.gz
	SRR18312829_1.fastq.gz	Fastqsanger.gz
	SRR18312829_2.fastq.gz	Fastqsanger.gz
	SRR18312830_1.fastq.gz	Fastqsanger.gz

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Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network

Project description:Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network

| PRJNA815660 | ENA

Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network [Liver RNA-seq]

Project description:Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network [Liver RNA-seq]

| PRJNA815662 | ENA

Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network [Primary hepatocyte RNA-seq]

Project description:Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network [Primary hepatocyte RNA-seq]

| PRJNA815661 | ENA

Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network [m6A-RIP-RNA-seq]

Project description:m6A-RIP sequencing of mouse liver tissues at different time points after birth.

2022-05-26 | GSE198511 | GEO

Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network [Liver RNA-seq]

Project description:RNA sequencing of livers tissues from control and hepatocyte-specific Mettl3 knockout with ALB-Cre (Mettl3 cKO) mice at different time points after birth.

2022-05-26 | GSE198512 | GEO

Mettl3-mediated m6A modification controls postnatal liver development by modulating Hnf4a-centred regulatory network [Primary hepatocyte RNA-seq]

Project description:RNA sequencing of primary hepatocytes from Control and and hepatocyte-specific Mettl3 knockout with ALB-Cre (Mettl3 cKO) mice after Actinomycin D treatment.

2022-05-26 | GSE198513 | GEO

Exploring the Impact of m6A Methyltransferase Mettl3 on MASLD through Multi-Omics Analysis

Project description:Background: N6-methyladenosine (m6A) RNA modification plays a crucial role in various biological events and is implicated in various metabolic-related diseases. However, its role in MASLD remains unclear. This study aims to investigate the impact of Mettl3 on MASLD through multi-omics analysis, with a focus on exploring its potential mechanisms of action. Methods: MASLD mouse models were established by feeding a high-fat diet for 12 weeks, and Mettl3 stable overexpression AML12 cell models were constructed via lentiviral transfection. Subsequent transcriptomic and proteomic analyses, as well as integrated analysis between different omics datasets, were conducted. Results: Mettl3 expression significantly increased in MASLD mouse models. In the transcriptomic and proteomic analyses, we identified 848 genes with significant inconsistencies between transcriptomic and proteomic datasets. GO/KEGG enrichment terms may involve post-transcriptional modifications, particularly Mettl3-mediated m6A modification. Subsequently, through integrated proteomic analysis of Mettl3-overexpressed AML12 cell models and MASLD mouse models, we selected the top 20 co-upregulated and co-downregulated GO/KEGG terms as the main biological processes influenced by Mettl3 in MASLD. By intersecting with pathways obtained from previous integrated analyses, we identified GO/KEGG terms affected by Mettl3-induced m6A modification. Protein-protein interaction analysis of proteins involved in these pathways highlighted GAPDH, ENO1, and TPI1 as three key hub genes. Conclusion: In MASLD, Mettl3 regulates the glycolytic pathway through m6A modification, influencing the occurrence and development of the disease via the key hub genes GAPDH, ENO1, and TPI1. These findings expand our understanding of MASLD and provide strong evidence for potential therapeutic targets and drug development.

2024-09-20 | PXD050565 | Pride

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

The m6A methyltransferase Mettl3 deficiency attenuates hepatic stellate cell activation and liver fibrosis [m6A-RIP-seq]

Project description:m6A-RIP sequencing of primary hepatic stellate cells (HSCs) isolated from Control and HSC-specific Mettl3-knockout (Mettl3 cKO) mouse liver tissues.

2022-07-13 | GSE207908 | GEO

METTL3 preferentially enhances non-m6A translation of epigenetic factors and promotes tumorigenesis (meRIP, RIP and polysome-seq)

Project description:Methyltransferase-like 3 (METTL3) is the best known m6A methyltransferase of the N6-adenosine-methyltransferase complex that functions in the reversible epi-transcriptome modulation of m6A modification. Besides acting as a m6A methyltransferase, METTL3 also regulates mRNA translation as well as other biological processes either through m6A “reader”-mediated downstream effect or directly binding to m6A sites, but the underlying mechanism and biological significance of these cytoplasmic events remain undefined. Here, we demonstrated that METTL3 inhibition significantly delayed gastric tumorigenesis in patient-derived xenograft model. Intriguingly, global METTL3-binding profiling revealed METTL3 occupied numerous oncogenic mRNAs without m6A signals, indicating a novel mechanism independent of m6A machinery. Furthermore, METTL3 was observed to translocate from nucleus to cytoplasm during gastric carcinogenesis, and its cytoplasm-to-nucleus ratio was correlated with cancer progression. In addition, the nuclear retention of METTL3 nearly abolished its tumor-promoting activity. Mechanistically, METTL3 interacted with PABPC1 to promote RNA looping, thus facilitating the translation of multiple oncogenic mRNAs. Taken together, our findings indicate an unexpected role of METTL3 as an important translational regulator independent of either m6A-“writer” or -“reader” activities and suggest METTL3 as a therapeutic target in gastric cancer.

2022-05-16 | GSE163310 | GEO

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