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The m6A methyltransferase Mettl3 deficiency attenuates hepatic stellate cell activation and liver fibrosis

ABSTRACT: The m6A methyltransferase Mettl3 deficiency attenuates hepatic stellate cell activation and liver fibrosis

PROVIDER: PRJNA857659 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR20077400_1.fastq.gz	Fastqsanger.gz
	SRR20077400_2.fastq.gz	Fastqsanger.gz
	SRR20077386_1.fastq.gz	Fastqsanger.gz
	SRR20077386_2.fastq.gz	Fastqsanger.gz
	SRR20077387_1.fastq.gz	Fastqsanger.gz

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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

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

Project description:RNA sequencing of LX2 cell line (a human hepatic stellate cell line). METTL3 overexpression or downreguation were achieved by lenti-virus transduction.

2022-07-13 | GSE207909 | GEO

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

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

| PRJNA857667 | ENA

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

Project description:The m6A methyltransferase Mettl3 deficiency attenuates hepatic stellate cell activation and liver fibrosis [RNA-seq]

| PRJNA857666 | ENA

m6A methyltransferase METTL3 regulates Tfh cell differentiation

Project description:m6A methyltransferase METTL3 regulates Tfh cell differentiation

| PRJNA532389 | ENA

The m6A methyltransferase Mettl3 deficiency attenuates hepatic stellate cell activation and liver fibrosis

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

2022-07-13 | GSE207910 | GEO

Mettl3-dependent m6A modulation of mRNAs in the Drosophila brain attenuates the stress response

Project description:We observe the increase of stress resilience in Drosophila in which the m6A methyltransferase Mettl3 is knocked down. Mettl3-dependent m6A is present in the 5' UTR of genes enriched for neurogenesis and signaling pathways, and determine that Mettl3-dependent m6A regulates the decay of heat shock chaperones. Expression levels of genes with Mettl3-dependent m6A are increased with the reduction of Mettl3 and with heat shock stress in the brain.

2022-08-26 | GSE178955 | 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

Determine the methyltransferase activities of METTL3, METTL14, and METTL16 via MeRIP-seq (m6A-seq)

Project description:All the three enzymes, METTL3, METTL14, and METTL16, belong to methyltransferase like (METTL) family and possess the ability to deposit N6-methyladenosine (m6A) in mRNA. Via immunofluorescence staining and wertern blotting, we discovered either METTL3 or METTL14 mainly localize in nuclear, but METTL16 localizes in both cytosol and nuclei. To compare the m6A methyltransferase activities of the three m6A 'writers' and better understand their differences, MeRIP-seq (m6A-seq) was conducted with poly(A) RNAs isolaed from HEK293T cells with METTL3, 14 and 16 knockout.

2021-10-28 | GSE182607 | GEO

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

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