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Investigating the role of Lef1 in mouse embryonic stem cells.

ABSTRACT: Genome-wide analysis of gene expression in piggybac empty vector and piggybac-lef1 transfected mouse embryonic stem cells (46C mouse ESCs) Analysis of genes regulated by lef1, and we found that lef1 acts biphasically in mouse embryonic stem cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE77330 | GEO | 2016/01/29

REPOSITORIES: GEO

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Investigating the role of Lef1 in mouse embryonic stem cells.

Project description:Genome-wide analysis of gene expression in piggybac empty vector and piggybac-lef1 transfected mouse embryonic stem cells (46C mouse ESCs) Analysis of genes regulated by lef1, and we found that lef1 acts biphasically in mouse embryonic stem cells. Total RNA obtained from empty vector (PB)-transfected 46 ESCs or different states (passage 2 and passage 5) of lef1-transfected (PB-Lef1 P2, PB-Lef1 P5) 46C mouse ESCs.

2016-01-29 | E-GEOD-77330 | biostudies-arrayexpress

Next Generation Sequencing Facilitates Quantitative Analysis of Transcriptomes in PB- and PB-ID2-transfected 46C mouse embryonic stem cells

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Next Generation Sequencing Facilitates Quantitative Analysis of Transcriptomes in PB- and PB-Gbx2-transfected 46C mouse embryonic stem cells

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Project description:Recently global gene expression profiling of patients samples lead to a molecular definition of Burkitt Lymphoma (BL) with lymphocyte enhancer-binding factor 1 (LEF1) as a signature gene. Here we report the discovery of nucleic LEF1 in a very high proportion of BL cases (15/18) and LEF1 target genes. Germinal center B cells were devoid of detectable nuclear LEF1 expression as mantle cell lymphoma (0/5), marginal zone lymphoma (0/6), follicular lymphoma (0/12) or diffuse large B cell lymphoma (DLBCL) (1/31). Using whole genome gene expression profiling after transient knockdown of LEF1 in BL cell lines, new LEF1 target genes were identified. The joint expression of these genes in primary BL samples shows that LEF1 is not only expressed aberrantly in BL but also transcriptionally active. Our study identified aberrantly expressed LEF1 and its target genes suggesting an important functional role in BLs. 3 biological replicates scrb siRNA vs LEF1 si RNA , 4 siRNA are pooled

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