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Gene expression in D8 WT and Menin KO uteri

ABSTRACT: Gene expression in D8 WT and Menin KO uteri

PROVIDER: PRJNA756569 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15540906.fastq.gz	Fastqsanger.gz
	SRR15540907.fastq.gz	Fastqsanger.gz
	SRR15540908.fastq.gz	Fastqsanger.gz
	SRR15540909.fastq.gz	Fastqsanger.gz

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Gene expression in D8 WT and Menin KO uteri

Project description:Differential expression genes were normalized to fragments per kilobase of exon model per million mapped reads (RPKM) using EdgeR package in R with the criteria of fold change significantly greater than 1.5 and P<0.05. Gene ontology (GO) enrichment analysis of the DEGs was analyzed by using DAVID (the Database for Annotation, Visualization and Integrated Discovery, https://david.ncifcrf.gov). GO terms with corrected p <0.05 were considered significantly enriched. Gene Set Enrichment Analysis (GSEA) was performed to determine whether a defined set of genes shows statistically significant, consistent differences between Men1f/f and littermates Men1d/d decidual tissues.

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Project description:Menin binding pattern in WT and Psip1 KO MEFs Menin occupancy is studied over Hox genes Menin ChIP from WT and Psip1 KO MEFs ChIP-chip

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Genome-wide characterization of menin-dependent H3K4me3 reveals a specific role for menin in the regulation of genes implicated in MEN1-like tumors (mRNA)

Project description:Inactivating mutations in the MEN1 gene predisposing to the multiple endocrine neoplasia type 1 (MEN1) syndrome can also cause sporadic pancreatic endocrine tumors. MEN1 encodes menin, a subunit of MLL1/MLL2-containing histone methyltransferase complexes that trimethylate histone H3 at lysine 4 (H3K4me3). The importance of menin-dependent H3K4me3 in normal and transformed pancreatic endocrine cells is unclear. To study the role of menin-dependent H3K4me3, we performed in vitro differentiation of wild-type as well as menin-null mouse embryonic stem cells (mESCs) into pancreatic islet-like endocrine cells (PILECs). Gene expression analysis and genome-wide H3K4me3 ChIP-Seq profiling in wild-type and menin-null mESCs and PILECs revealed menin-dependent H3K4me3 at the imprinted Dlk1-Meg3 locus in mESCs, and all four Hox loci in differentiated PILECs. Specific and significant loss of H3K4me3 and gene expression was observed for genes within the imprinted Dlk1-Meg3 locus in menin-null mESCs and the Hox loci in menin-null PILECs. Given that the reduced expression of genes within the DLK1-MEG3 locus and the HOX loci is associated with MEN1-like sporadic tumors, our data suggests a possible role for menin-dependent H3K4me3 at these genes in the initiation and progression of sporadic pancreatic endocrine tumors. Furthermore, our investigation also demonstrates that menin-null mESCs can be differentiated in vitro into islet-like endocrine cells, underscoring the utility of menin-null mESC-derived specialized cell types for genome-wide high-throughput studies. Genome-wide mapping of H3K4me3 and microarray gene expression profiling in TC-1 wild-type (WT) mESCs, menin-null (Men1-ko) mESCs (3.2N), pancreatic islet-like endocrine cells (PILECs) derived from WT mESCs, and PILECs derived from Men1-ko mESCs.

2012-05-31 | E-GEOD-37775 | biostudies-arrayexpress

Genome-wide characterization of menin-dependent H3K4me3 reveals a specific role for menin in the regulation of genes implicated in MEN1-like tumors (ChIP-Seq)

2012-06-01 | E-GEOD-37774 | biostudies-arrayexpress

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Project description:Although CD4 T cell senescence plays an important role in immunosenescence, the mechanisms remain unclear. We found that T cell-specific Menin deficiency results in the premature senescence of CD4 T cells, accompanied by the senescence-associated secretory phenotype (SASP) after antigenic stimulation. TH1 and TH2 differentiation was dysregulated in Menin-knockout CD4 T cells. Bach2, which regulates SASP and TH differentiation, was identified as a Menin target. Menin binds to the Bach2 locus, and controls its expression through maintenance of histone acetylation. These findings reveal a critical role of the Menin-Bach2 pathway in regulating CD4 T cell senescence and homeostasis, thus indicating the involvement of this pathway in the inhibition of age-associated development of inflammatory diseases, which are induced by immunosenescence. Examination of transcriptional factor Menin binding and histone modefications in Menin WT and KO CD4 T cells

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The Menin-Bach2 axis is critical for regulating CD4 T cell senescence and cytokine homeostasis

Project description:Although CD4 T cell senescence plays an important role in immunosenescence, the mechanism behind this process remains unclear. Here we show that T cell-specific Menin deficiency results in the premature senescence of CD4 T cells, which is accompanied by the senescence-associated secretory phenotype after antigenic stimulation and dysregulated cytokine production. Menin is required for the expansion and survival of antigen-stimulated CD4 T cells in vivo and acts by targeting Bach2, which is known to regulate immune homeostasis and cytokine production. Menin binds to the Bach2 locus, and controls its expression through maintenance of histone acetylation. Menin binding at the Bach2 locus and the Bach2 expression are decreased in the senescent CD4 T cells. These findings reveal a critical role of the Menin-Bach2 pathway in regulating CD4 T cell senescence and cytokine homeostasis, thus indicating the involvement of this pathway in the inhibition of immunosenescence. Gene expression in Menin WT-TH and Menin KO-TH

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