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METTL3 mediated m6A mRNA methylation regulates neutrophil activation through targeting TLR4 signaling (RNA-Seq)

ABSTRACT: To investigate the effect of METTL3 function in the regulation of neutrophil activation, we established neutrophil METTL3 knock out mice by crossing METTL3flox/flox mice with Lyzm-cre mice. We then performed gene expression profiling analysis using data obtained from RNA-seq of isolated neutrophil from METTL3f/f and METTL3f/f Lyzm-Cre mice with or without intraperitoneal injection of lipopolysaccharide (LPS) treatment.

ORGANISM(S): Mus musculus

PROVIDER: GSE225141 | GEO | 2023/03/31

REPOSITORIES: GEO

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METTL3 mediated m6A mRNA methylation regulates neutrophil activation through targeting TLR4 signaling (Ribosome-Seq)

Project description:To investigate the effect of METTL3 function in the regulation of neutrophil activation, we established neutrophil METTL3 knock out mice by crossing METTL3flox/flox mice with Lyzm-cre mice. We then performed gene expression profiling analysis using data obtained from Ribosome-seq of isolated neutrophil from METTL3f/f and METTL3f/f Lyzm-Cre mice .

2023-03-31 | GSE225140 | GEO

METTL3 mediated m6A mRNA methylation regulates neutrophil activation through targeting TLR4 signaling (meRIP-Seq)

Project description:To investigate the effect of METTL3 function in the regulation of neutrophil activation, we established neutrophil METTL3 knock out mice by crossing METTL3flox/flox mice with Lyzm-cre mice. We then performed gene expression profiling analysis using data obtained from MeRIP-seq of isolated neutrophil from METTL3f/f and METTL3f/f Lyzm-Cre mice .

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Gene expression changes in Mettl3-deleted mouse oviduct on gestational day 3

Project description:We specifically deleted Mettl3 in the female reproductive tract using the Pgr-Cre driver. To portray the molecular mechanism for Mettl3 function in oviduct, whole oviduct were collected from Mettl3f/f and Mettl3d/d mice on gestational day 3 and subjected to RNA-seq analysis.

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Gene expression changes in Mettl3-deleted mouse uterus on gestational day 4

Project description:We specifically deleted Mettl3 in the female reproductive tract using the Pgr-Cre driver. To portray the molecular mechanism for Mettl3 function in uterus, uterine tissues were collected from Mettl3f/f and Mettl3d/d mice on gestational day 4 and subjected to RNA-seq analysis.

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MeRIP-Seq of pancreatic islets in Mettl3flox/flox and islet β cell-specific Mettl3 knockout (β-Mettl3-KO) mice

Project description:Purpose: Through mRNA m6A-profiling, we aim to characterize the mRNA m6A changes in pancreatic islets obtained from Mettl3flox/flox and β-Mettl3-KO mice. Methods: Total RNA was extracted using Tripure Isolation Reagent (Roche, Mannheim, Germany) from pancreatic islets of Mettl3flox/flox and β-Mettl3-KO mice at 8 weeks old. A total of 2-3 μg RNAs were pooled from nine Mettl3flox/flox mice and twelve β-Mettl3-KO mice, respectively. Three independent biological replicates of each group were used for MeRIP-seq. Fragmented RNA (~100 nt) was incubated for 2 hr at 4oC with anti-m6A polyclonal antibody (Merk Millipore) in the immunoprecipitation experiment. Then, immunoprecipitated RNAs or Input was used for library construction with Ovation SoLo RNA-Seq System Core Kit (NuGEN). The library preparations were sequenced on an Illumina Novaseq platform with a paired-end read length of 150 bp according to the standard protocols. After mapping reads to the reference genome, exomePeak R package (version 2.16.0) was used for the m6A peak identification in each anti-m6A immunoprecipitation group with the corresponding input samples serving as a control, and q-value threshold of enrichment of 0.05 was used for all data sets. The m6A-enriched motifs of each group were identified by HOMER (version 4.9.1). Conclusion: The islet mRNA m6A profiles in Mettl3flox/flox and β-Mettl3-KO mice were characterized.

2020-11-13 | GSE155614 | GEO

The effects of METTL3 on islet β-cell function

Project description:Purpose: The goal of this study is to investigate how METTL3 regulates islet β-cell function. Methods: Total RNA was extracted using Tripure Isolation Reagent (Roche, Mannheim, Germany) from pancreatic islets of Mettl3flox/flox and β-Mettl3-KO mice at 8 weeks old. Each RNA sample was pooled from four Mettl3flox/flox and β-Mettl3-KO mice, respectively. Three independent biological replicates for each group were used for RNA-seq. RNA-seq was performed by deep sequencing using an Illumina Novaseq 6000 platform. Paired-end clean reads were aligned to the mouse reference genome(GRCm38.p6) with Hisat2 v2.0.5, and the aligned reads were used to quantify mRNA expression by using featureCounts v1.5.0-p3. Conclusion: Our study represents the first detailed analysis of islet transcriptomes from Mettl3flox/flox and β-Mettl3-KO mice, generated by RNA-seq technology. The RNA-seq analysis showed that 2560 genes were downregulated and 3408 genes were upregulated in the pancreatic islets of β-Mettl3-KO mice. GO analysis showed that the downregulated genes were primarily related to insulin secretion, SNARE binding, and mitochondrial respiratory chain, whereas the upregulated genes were associated with the immune response, B cell activation, and antigen binding.

2020-11-13 | GSE155612 | GEO

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2022-01-07 | GSE184318 | GEO

Gene expression changes in Mettl3ed/ed mouse uterus compared to Mettl3f/f mouse uterus on gestational day 4

Project description:We specifically deleted Mettl3 in the epithelium of mouse uterus using the Ltf-Cre driver. To portray the molecular mechanism for Mettl3 function in uterine epithelium, uterine tissues were collected from Mettl3f/f and Mettl3ed/ed mice on gestational day 4 and subjected to RNA-seq analysis.

2024-04-03 | GSE262806 | GEO

m6A-seq analysis of Mettl3fl/fl (WT) and Mettl3fl/fl,LyzM-cre (cKO) bone-marrow-derived macrophages(BMDMs) transcriptomes

Project description:To investigate the role of RNA methyltransferase METTL3-mediated m6A modification in macrophage, we performed m6A-sequencing to map the m6A modification in bone-marrow-derived macrophages (BMDMs) from Mettl3fl/fl (WT) and Mettl3fl/fl,LyzM-cre (cKO) mice

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m6A-Epitranscriptomic Microarray analysis of CD11b+Mac-Spleen from HFD-Mettl3-LysM-Cre mice

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