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METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner [RNA-Seq]

ABSTRACT: To clarify the role of METTL3-mediated m6A modification in hypertrophic scars (HS), we conditionally knocked out the m6A methyltransferase METTL3 in HS-derived dermal fibroblasts (HSFBs). We then performed RNA-seq analysis on normal control and Mettl3 knockdown HSFBs.

ORGANISM(S): Homo sapiens

PROVIDER: GSE246977 | GEO | 2024/08/30

REPOSITORIES: GEO

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METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner [MeRIP-Seq]

Project description:To clarify the role of METTL3-mediated m6A modification in hypertrophic scars (HS), we conditionally knocked out the m6A methyltransferase METTL3 in HS-derived dermal fibroblasts (HSFBs). We then performed MeRIP-seq analysis on HSFBs.

2024-08-30 | GSE246978 | GEO

The m6A RNA modification modulates gene expression and fibrosis-related pathways in hypertrophic scar

Project description:Purpose: To systematically analyze the overall m6A modification pattern in hyperplastic scars (HS). Methods: The m6A modification patterns in HS and normal skin (NS) tissues were described by m6A sequencing and RNA sequencing, and subsequently bioinformatics analysis was performed. The m6A-related RNA was immunoprecipitated and verified by real-time quantitative PCR. Results: The appearance of 14,791 new m6A peaks in the HS sample was accompanied by the disappearance of 7,835 peaks. The unique m6A-related genes in HS were thus associated with fibrosis-related pathways. We identified the differentially expressed mRNA transcripts in HS samples with hyper-methylated or hypo-methylated m6A peaks. Conclusion: This study is the first to map the m6A transcriptome of human HS, which may help clarify the possible mechanism of m6A-mediated gene expression regulation.

2021-08-08 | GSE181540 | GEO

The m6A RNA modification modulates gene expression and fibrosis-related pathways in hypertrophic scar [m6A-seq]

2022-01-24 | GSE194121 | GEO

METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner

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

2024-08-30 | GSE246979 | GEO

METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner

Project description:METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner

| PRJNA1035472 | ENA

METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner [MeRIP-Seq]

Project description:METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner [MeRIP-Seq]

| PRJNA1035480 | ENA

METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner [RNA-Seq]

Project description:METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner [RNA-Seq]

| PRJNA1035478 | ENA

METTL3 KD in HepG2 cells

Project description:To gain insight into possible processes that require m6A for their function, METTL3 was knocked down (KD) in HepG2 cells by siRNA transfections Differential expression analysis of METTL3 KD versus mock-transfected HepG2 cells, in 2 biological replicates

2012-04-25 | E-GEOD-37001 | biostudies-arrayexpress

METTL3 promotes translation in human cancer cells

Project description:we find METTL3 associates with polyribosomes and promotes translation. METTL3 depletion inhibits translation, and both wild-type and catalytically inactive METTL3 promote translation when tethered to the 3' untranslated region (UTR) of a reporter mRNA. Mechanistically, METTL3 enhances mRNA translation through an interaction with the translation initiation machinery. m6A seq in A549 and H1299 cells, RNA seq in METTL3 knockdown cells

2016-07-03 | E-GEOD-76367 | biostudies-arrayexpress

LC-MS/MS analysis of co-immunoprecipitation products of METTL3

Project description:N6-methyladenosine (m6A) methylation of mRNA by the methyltransferase complex (MTC), with core components including METTL3-METTL14 heterodimers and Wilms’ tumor 1-associated protein (WTAP), contributes to breast tumorigenesis, but the mechanism of MTC assembly remains elusive. Here, we identify a novel cleaved form METTL3a (residues 239-580 of METTL3), that is highly expressed in breast cancer. Furthermore, we find that both METTL3a and full-length METTL3 are required for MTC assembly, RNA m6A deposition, as well as cancer cell proliferation. Mechanistically, we find that METTL3a is required for METTL3-METTL3 interaction, which is a prerequisite step for recruitment of WTAP in MTC assembly. Analysis of m6A sequencing data shows that depletion of METTL3a globally disrupts m6A methylation, and METTL3a mediates mTOR activation via m6A-mediated suppression of TMEM127 expression. Consequently, we find that METTL3 cleavage is mediated by proteasome in an mTOR-dependent manner, revealing positive regulatory feedback between METTL3a and mTOR signaling. Our findings reveal METTL3a as an important component for MTC assembly, and suggest the METTL3a-mTOR axis as a potential therapeutic target for breast cancer.

2023-08-18 | PXD036899 | Pride

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