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Identification of N6-methyladenosine (m6A) modified RNA in activated ILC1

ABSTRACT: Identification of N6-methyladenosine (m6A) modified RNA in activated ILC1

PROVIDER: PRJNA924807 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23101076_1.fastq.gz	Fastqsanger.gz
	SRR23101076_2.fastq.gz	Fastqsanger.gz
	SRR23101077_1.fastq.gz	Fastqsanger.gz
	SRR23101077_2.fastq.gz	Fastqsanger.gz
	SRR23101078_1.fastq.gz	Fastqsanger.gz

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Identification of N6-methyladenosine (m6A) modified RNA in activated ILC1

Project description:Innate lymphoid cells (ILCs) are able to directly respond to alarmin signals and produce an array of effector molecules for immune protection and tissue homeostasis. However, how posttranscriptional machinery in ILCs execute extracellular stimuli towards robust gene expression is yet to understand. Here, we reported a cell type-specific role of N6-methyladenosine (m6A) RNA methylation in ILCs. Inducible deletion of m6A methyltransferase METTL3 had little impact on ILC maintenance in the steady state or cytokine-induced ILC1 or ILC3 activation, but dramatically diminished IL-25-triggered ILC2 response. Specific deletion of Mettl3 in ILC2 significantly attenuated cell expansion, cytokine production, inter-organ migration, and anti-helminth immunity. To investigate the molecular mechanism by which m6A modification regulates ILC response, we subjected IL-12 plus IL-18-activated ILC1 to a m6A-tagged mRNA immunoprecipitation sequencing (meRIP-seq) to identify the m6A modified mRNA.

2023-06-26 | GSE223081 | GEO

Identification of N6-methyladenosine (m6A) modified RNA in activated ILC2

Project description:Innate lymphoid cells (ILCs) are able to directly respond to alarmin signals and produce an array of effector molecules for immune protection and tissue homeostasis. However, how posttranscriptional machinery in ILCs execute extracellular stimuli towards robust gene expression is yet to understand. Here, we reported a cell type-specific role of N6-methyladenosine (m6A) RNA methylation in ILCs. Inducible deletion of m6A methyltransferase METTL3 had little impact on ILC maintenance in the steady state or cytokine-induced ILC1 or ILC3 activation, but dramatically diminished IL-25-triggered ILC2 response. Specific deletion of Mettl3 in ILC2 significantly attenuated cell expansion, cytokine production, inter-organ migration, and anti-helminth immunity. To investigate the molecular mechanism by which m6A modification regulates ILC2 response, we subjected IL-25-activated iILC2 to a m6A-tagged mRNA immunoprecipitation sequencing (meRIP-seq) to identify the m6A modified mRNA.

2023-06-26 | GSE207292 | GEO

Identification of N6-methyladenosine (m6A) modified RNA in activated ILC3

Project description:Innate lymphoid cells (ILCs) are able to directly respond to alarmin signals and produce an array of effector molecules for immune protection and tissue homeostasis. However, how posttranscriptional machinery in ILCs execute extracellular stimuli towards robust gene expression is yet to understand. Here, we reported a cell type-specific role of N6-methyladenosine (m6A) RNA methylation in ILCs. Inducible deletion of m6A methyltransferase METTL3 had little impact on ILC maintenance in the steady state or cytokine-induced ILC1 or ILC3 activation, but dramatically diminished IL-25-triggered ILC2 response. Specific deletion of Mettl3 in ILC2 significantly attenuated cell expansion, cytokine production, inter-organ migration, and anti-helminth immunity. To investigate the molecular mechanism by which m6A modification regulates ILC response, we subjected IL-1 plus IL-23-activated ILC3 to a m6A-tagged mRNA immunoprecipitation sequencing (meRIP-seq) to identify the m6A modified mRNA.

2023-06-26 | GSE223083 | GEO

Identification of N6-methyladenosine (m6A) modified RNA in ILC2 of WT and Mettl3 Klrg1Cre mice

Project description:Innate lymphoid cells (ILCs) are able to directly respond to alarmin signals and produce an array of effector molecules for immune protection and tissue homeostasis. However, how posttranscriptional machinery in ILCs execute extracellular stimuli towards robust gene expression is yet to understand. Here, we reported a cell type-specific role of N6-methyladenosine (m6A) RNA methylation in ILCs. Inducible deletion of m6A methyltransferase METTL3 had little impact on ILC maintenance in the steady state or cytokine-induced ILC1 or ILC3 activation, but dramatically diminished IL-25-triggered ILC2 response. Specific deletion of Mettl3 in ILC2 significantly attenuated cell expansion, cytokine production, inter-organ migration, and anti-helminth immunity. To investigate the molecular mechanism by which m6A modification regulates ILC2 response, we subjected ILC2 of WT and Mettl3 Klrg1Cre mice to a m6A-tagged mRNA immunoprecipitation sequencing (meRIP-seq) to identify the m6A modified mRNA.

2023-06-26 | GSE223082 | GEO

Identification of N6-methyladenosine (m6A) modified RNA in activated ILC2

Project description:Identification of N6-methyladenosine (m6A) modified RNA in activated ILC2

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Identification of N6-methyladenosine (m6A) modified RNA in activated ILC3

Project description:Identification of N6-methyladenosine (m6A) modified RNA in activated ILC3

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N6-methyladenosine Modulates Messenger RNA Translation Efficiency

Project description:N6-methyladenosine (m6A) is the most abundant internal messenger (mRNA) modification in mammalian mRNA. This modification is reversible and non-stoichiometric, which potentially adds an additional layer of variety and dynamic control of mRNA metabolism. The m6A-modified mRNA can be selectively recognized by the YTH family “reader” proteins. The preferential binding of m6A-containing mRNA by YTHDF2 is known to reduce the stability of the target transcripts; however, the exact effects of m6A on translation has yet to be elucidated. Here we show that another m6A reader protein, YTHDF1, promotes ribosome loading of its target transcripts. YTHDF1 forms a complex with translation initiation factors to elevate the translation efficiency of its bound mRNA. In a unified mechanism of translation control through m6A, the YTHDF2-mediated decay controls the lifetime of target transcripts; whereas, the YTHDF1-based translation promotion increases the translation efficiency to ensure effective protein production from relatively short-lived transcripts that are marked by m6A. PAR-CLIP and RIP was used to identify YTHDF1 binding sites followed by ribosome profling and RNA seq to assess the consequences of YTHDF1 siRNA knock-down

2015-06-09 | E-GEOD-63591 | biostudies-arrayexpress

YTHDF3 facilitates translation and decay of the N6-methyladenosine-modified RNA

Project description:N6-methyladenosine (m6A) is the most abundant internal modification in eukaryotic messenger RNAs (mRNAs), and plays important roles in cell differentiation and organism development. It regulates multiple steps throughout the RNA life cycle including RNA processing, translation, and metabolism, via the recognition by selective binding proteins. In cytoplasm, m6A binding protein YTHDF1 facilitates translation of m6A-modified mRNAs, and YTHDF2 accelerates the decay of m6A-modified transcripts. The biological function of YTHDF3, another cytoplasmic m6A binder of the YTH domain family, remains unknown. Here, we report that YTHDF3 promotes protein synthesis in synergy with YTHDF1, and affects methylated mRNA decay mediated by YTHDF2. Cells deficient in all of YTHDF proteins experience the most dramatic accumulation of the m6A-methylated transcripts. These results indicate that in cytoplasm, YTHDF proteins act in an integrated and cooperative network to accelerate metabolism of m6A-modified mRNAs. The combinative and dynamic nature of YTHDF proteins may collectively impact fundamental biological processes and diseases related to m6A RNA methylation.

2016-09-15 | GSE86214 | GEO

Identification of N6-methyladenosine (m6A) modified RNA in activated ILC1, activated ILC3 and ILC2 of WT and Mettl3 Klrg1Cre mice

Project description:Identification of N6-methyladenosine (m6A) modified RNA in activated ILC1, activated ILC3 and ILC2 of WT and Mettl3 Klrg1Cre mice

| PRJNA924806 | ENA

Distinct N6-methyladenosine (m6A) Regulation of Innate Immune Responses During Bacterial Infections II

Project description:N6-methyladenosine (m6A) is a dynamic post-transcriptional RNA modification influencing all aspects of mRNA biology. Here, we examined cellular m6A epitranscriptomes during P.aeruginosa infection to identify m6A-regulated innate immune response genes with or without ALKBH5 knockdown. We showed that a significant portion of cellular genes including many innate immune response genes underwent m6A modifications in 5’UTR and 3’UTR, from which we identified common and distinct m6A-modified genes under different stimulating conditions.

2022-03-21 | GSE196270 | GEO

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