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Gene expression analysis of E2A forced homodimer overexpression in mouse embryonic stem cells.

ABSTRACT: Gene expression analysis of E2A forced homodimer overexpression in mouse embryonic stem cells.

PROVIDER: PRJNA638369 | ENA |

REPOSITORIES: ENA

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Gene expression analysis of E2A forced homodimer overexpression in mouse embryonic stem cells.

Project description:We set out to investigate whether overexpression of the bHLH transcription factor, E2A, is sufficient to drive neural differentiation in mouse embryonic stem cells under non-permissive culture conditions. Having identified that overexpression of specifically E2A homodimers, but not E2A monomers, was sufficient to drive neural differentiation, we sought to identify early downstream targets of E2A during the process of neural commitment using RNA-sequencing.

2020-06-10 | GSE152118 | GEO

Transcriptome profiling of wildtype and E2A knockout embryonic stem cells

Project description:Background: E2A, encoded by the TCF3 gene locus, belongs to the E protein transcription factor family, which also includes HEB (TCF12) and E2-2 (TCF4), has been suggested to play an important role in leukemogenesis. However, far less is known about the function of E2A in cell-fate regulation of hESCs. Therefore, further understanding of E2A in self-renewal and differentiation of embryonic stem cells may be influenced. Methods: The mRNA profiles of wildtype and E2A knockout embryonic stem cells were generated by RNA-seq technique, in triplicate for each group, using IIIumina Hiseq 2500. Results: A comprehensive human transcriptome map of wild type and E2A knockout embryonic stem cells was provided. Function enrichment, network characteristics and disease association of the differentially expressed genes were analyzed. Conclusion: The dataset could serve as a baseline resource for investigating the potential effects and mechanism of E2A in embryonic stem cells.

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Transcriptome profiling of wildtype and E2A knockout embryonic stem cells and Neural progenitor cells

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Transcriptome profiling of wildtype and E2A knockout embryonic stem cells

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Gene expression profiling of the Se-Ax cell line following E2A reconstitution

Project description:The transcription factor E2A is essential for lymphocyte development. In this study, we describe a recurrent E2A gene deletion in at least 70% of patients with Sézary syndrome (SS), a subtype of T cell lymphoma. Loss of E2A results in enhanced proliferation and cell cycle progression via derepression of the proto-oncogene MYC and the cell cycle regulator CDK6. Furthermore, by examining the gene expression profile of SS cells following restoration of E2A expression, we identify a number of E2A-regulated genes that interfere with oncogenic signaling pathways including the Ras pathway. Several of these genes are down-regulated or lost in primary SS tumor cells. These data demonstrate a tumor suppressor function of E2A in human lymphoid cells and could help to develop new treatment strategies for human lymphomas with altered E2A activity. The E2A-deficient Sézary cell line Seax was transiently transfected with the E2A-expression constructs E47myc (a myc-tagged E47 construct) or E47-forced dimer (a construct coding for two covalently linked E47 molecules), respectively. Every experiment was performed as two replicates accompanied by control transfections with a Mock plasmid.

2011-07-07 | E-GEOD-21730 | biostudies-arrayexpress

Induction of trophoblast stem cells from embryonic stem cells by forced repression of Oct3/4.

Project description:To characterize the transdifferentiation of embryonic stem (ES) cells into trophoblast stem (TS) cells triggered by forced repression of Oct3/4, we performed whole-genome expression analysis after tetracycline (Tet)-induced knockout of Oct3/4. A Tet-inducible Oct3/4 knockout ES cell line ZHBTc4 was treated with Tet for 4 days in the presence of FGF4 and mouse embryonic fibroblasts (MEFs). A total of 15 samples from Day 0 to Day 4 were analyzed in three biological replicates.

2013-10-17 | E-GEOD-28452 | biostudies-arrayexpress