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RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity

ABSTRACT: RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity

PROVIDER: PRJNA473802 | ENA |

REPOSITORIES: ENA

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RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (ribo-seq and m6a-seq in GMDCs)

Project description:Emerging evidence emphasizes the important role of tumor neoantigen in generating the spontaneous antitumor immune response and predicting the clinical response to immunotherapies. Despite the presence of numerous neoantigens, complete tumor elimination rarely occurs in majority of patients due to failures in mounting a sufficient and lasting antitumor immunity. Here we show that the durable neoanitgen-specific immunity is regulated by a m6A-binding protein, Ythdf1. In contrast to wild-type mice, Ythdf1-deficient (Ythdf1-/-) mice generate more antigen-specific CD8+ T cell response for persistent tumor control. Loss of Ythdf1 in dendritic cell (DC) results in an enhanced cross-presentation of tumor antigen and cross-priming of CD8+ T cell in vivo. To confirm our observations, we performed Ribo-Seq to analyze the translational efficiency of genes in DCs and performed m6A-seq to locate the m6A sites.

2018-12-29 | GSE115105 | GEO

RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (MeRIP-Seq, RIP-Seq and Ribo-Seq in Flt3L-DCs)

2018-12-29 | GSE121933 | GEO

RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (RNA-seq and RIP-seq in in GMDCs)

Project description:Emerging evidence emphasizes the important role of tumor neoantigen in generating the spontaneous antitumor immune response and predicting the clinical response to immunotherapies. Despite the presence of numerous neoantigens, complete tumor elimination rarely occurs in majority of patients due to failures in mounting a sufficient and lasting antitumor immunity. Here we show that the durable neoanitgen-specific immunity is regulated by a m6A-binding protein, Ythdf1. In contrast to wild-type mice, Ythdf1-deficient (Ythdf1-/-) mice generate more antigen-specific CD8+ T cell response for persistent tumor control. Loss of Ythdf1 in dendritic cell (DC) results in an enhanced cross-presentation of tumor antigen and cross-priming of CD8+ T cell in vivo. To confirm our observations, we performed RNA-Seq to analyze the transcriptional level of genes in DCs and performed RNA Immunoprecipitation (RIP-seq) to locate the binding sites of Ythdf1.

2018-12-29 | GSE106772 | GEO

RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (ribo-seq and m6a-seq in GMDCs)

Project description:RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (ribo-seq and m6a-seq in GMDCs)

| PRJNA473808 | ENA

RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (RNA-seq and RIP-seq in in GMDCs)

Project description:RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (RNA-seq and RIP-seq in in GMDCs)

| PRJNA417953 | ENA

RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (MeRIP-Seq, RIP-Seq and Ribo-Seq in Flt3L-DCs)

Project description:RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity (MeRIP-Seq, RIP-Seq and Ribo-Seq in Flt3L-DCs)

| PRJNA499089 | ENA

RNA m6A-Ythdf1 in dendritic cells triggers anti-tumor immunity

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

2018-12-29 | GSE115106 | GEO

m6A-facilitated hippocampal learning and memory through Ythdf1

Project description:N6-methyladenosine (m6A) is the most prevalent internal RNA modification in mammalian messenger RNAs (mRNAs). While m6A has been shown to mark groups of mRNAs for coordinated degradation in various physiological processes, the relevance of m6A in affecting translation remains to be determined in intact biological systems in vivo. Here we show that, through its reader protein Ythdf1, m6A promotes a pulse of protein synthesis of target transcripts in response to neuronal stimuli in the adult mouse hippocampus, thereby facilitating learning and memory processes. Mice with genetic deletion of the Ythdf1 gene (Ythdf1-/-) exhibit learning and memory defects, as well as impaired hippocampal synaptic transmission and long-term potentiation (LTP). Selective re-expression of Ythdf1 in the hippocampus of adult Ythdf1-/- mice fully rescues the behavioral and synaptic defects, while hippocampus-specific knockdown of Ythdf1 or Mettl3, the catalytic component of m6A methyltransferase complex, recapitulates the hippocampal deficiency in adult mice. At the molecular level, transcriptome-wide mapping of m6A sites and RNA binding sites of Ythdf1 on hippocampal mRNAs using crosslinking immunoprecipitation followed by high-throughput sequencing (CLIP-seq) uncovered key neuronal genes, including those involved in synaptic transmission and long-term potentiation. Nascent protein labelling and tether reporter assays in cultured hippocampal neurons revealed that Ythdf1 is critical for initiating a pulse of protein synthesis of target transcripts in a neuronal-stimulus-dependent manner. Collectively, our results uncover a pathway of mRNA m6A methylation in learning and memory, which is mediated through Ythdf1 in response to stimuli.

2018-08-17 | GSE106607 | GEO

Anti-tumour immunity controlled through mRNA m6A methylation and YTHDF1 in dendritic cells.

Project description: Not available

| S-EPMC6522227 | biostudies-literature

Identification of YTHDF1 targeted m6A modified transcripts in lung cancer cells

Project description:In addition to perform the m6A-seq in A549 cells, we sequenced RNA obtained from the immuno-purified complex of YTHDF1 (RIP-seq) to reveal YTHDF1 bound mRNAs, 3,676 genes were shared (m6A-seq+RIP-seq) as high-confident targets of YTHDF1 , which were mapped to cell cycle and tumor (including lung cancer) related signaling pathways in the KEGG pathway database

2019-09-26 | GSE136433 | GEO

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