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Transcriptomic profile in in vitro produced bovine morulae treated with MAT2A inhibitor

ABSTRACT: We obtained transcriptomic profiles in bovine morulae which had been in vitro treated with a methionine adenosyltransferase 2A (MAT2A) inhibitor from the 8-16 cell stage.

ORGANISM(S): Bos taurus

PROVIDER: GSE198294 | GEO | 2022/05/31

REPOSITORIES: GEO

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Genome-wide H3K27me3 profile in in vitro produced bovine morula treated with MAT2A inhibitor

Project description:We obtained genome-wide profiles of histone H3 lysine 27 trimethylation (H3K27me3) in bovine morula which had been in vitro treated with a methionine adenosyltransferase 2A (MAT2A) inhibitor from the 8-16 cell stage. Sequencing center: NODAI Genome Research Center, Tokyo University of Agriculture

2022-05-31 | GSE198293 | GEO

Genome-wide mapping of MAT2A-associsted regions in bovine blastocysts

Project description:Methionine adenosyltransferase (MAT), that catalyzes the synthesis of S-adenosylmethionine (SAM) from ATP and methionine, is involved in folate-mediated one-carbon metabolism (OCM) that is essential for preimplantation embryos in terms of both short-term periconceptional development and long-term phenotypic programming beyond the periconceptional period. SAM is the universal methyl donor for epigenetic methylation of DNA and histones. In the context of the long-term phenotypic programming by the modulation of OCM during periconceptional period, possible interactions between MAT2A and epigenetic status of specific genes during this period are of particular interest. MAT2A has been proposed to interact with many chromatin-related proteins and be recruited to their specific target genes to constitute gene-regulatory complexes. Thus, in the aim of addressing the possible interaction of MAT2A with specific genomic DNA regions in periconceptional period, we performed a ChIP-seq analysis using MAT2A antibody against bovine blastocysts.

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Profile in in vitro produced bovine morulae treated with MAT2A inhibitor

Project description:Profile in in vitro produced bovine morulae treated with MAT2A inhibitor

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Transcriptomic profile in in vitro produced bovine morulae treated with MAT2A inhibitor

Project description:Transcriptomic profile in in vitro produced bovine morulae treated with MAT2A inhibitor

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RNA-seq of MOLM-13 acute myeloid leukemia cell line treated with FIDAS-5

Project description:MOLM-13 acute myeloid leukemia cells were treated with 3 µM FIDAS-5 methionine S-adenosyltransferase 2A (MAT2A) inhibitor or 0.1% DMSO as control for 48 hours

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MAT2A and methionine dependency are indispensible for H3K27M mutant gliomas.

Project description:Gliomas bearing driver mutations of histone 3 lysine 27 (H3K27M) are incurable brain tumors. H3K27M mutant tumors display unique epigenomes with global loss of the chromatin repressive H3K27 trimethylation mark. Here, we generated a syngeneic H3K27M mouse model to study the dependence upon amino acid (AA) metabolism by performing an AA drop out screen. H3K27M mutant cells, but not histone wildtype cells, were highly dependent on the amino acid, methionine. Interrogating the methionine cycle dependency through an siRNA screen identified the enzyme Methionine Adenosyltransferase 2A (MAT2A), which catalyzes production of S-adenosylmethionine (SAM), a methyl donor. Sensitivity to MAT2A loss in H3K27M mutant cells was not mediated through the canonical mechanism of MTAP deletion; instead, H3K27M mutant cells have lower MAT2A protein levels, which is mediated by Adenosylmethionine Decarboxylase 1 (AMD1) production of decarboxylated SAM (dcSAM). MAT2A loss induces global depletion of H3K36me3, a potent chromatin mark of transcriptional elongation, as evaluated by quantitative chromatin immunoprecipitation with reference exogenous genome sequencing (ChIP-Rx-Seq) in multiple DIPG lines. Tandem H3K36me3 ChIP-Rx-seq and RNA-seq identified several oncogenic and developmental transcriptional programs associated with MAT2A loss. Moreover, inducible knockdown of MAT2A or methionine-restricted diets (MR) extended survival in both syngeneic and patient-derived xenograft models (PDXs) in vivo. Collectively, our results provide novel connections between AA metabolism and the epigenome in H3K27M gliomas, suggesting that MAT2A, a central regulator of methionine metabolism, presents exploitable therapeutic vulnerabilities in H3K27M gliomas.

2022-01-28 | GSE160006 | GEO

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Project description:Rattus norvegicus Mat2a, methionine adenosyltransferase 2A [Source:RGD Symbol;Acc:619985], is expressed in 9 baseline experiment(s);

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Project description:Monodelphis domestica MAT2A, methionine adenosyltransferase 2A [Source:NCBI gene;Acc:100018803], is expressed in 2 baseline experiment(s);

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Project description:Rattus norvegicus Mat2a, methionine adenosyltransferase 2A [Source:RGD Symbol;Acc:619985], is differentially expressed in 1 experiment(s);

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