Temporal transcriptome analysis of control and Zeb2 knockout mESC in pluripotency and in neural differentiation
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ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE75616 | GEO | 2016/10/20
SECONDARY ACCESSION(S): PRJNA304747
REPOSITORIES: GEO
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Project description:In this study we performed temporal profiling of DNA methylation by RRBseq of differentiating mouse embryonic stem cells using an embryoid body protocol. Analysis at d0, d4 and d6 revealed that Zeb2 deficient mESC lose their initially acquired DNA methylation at d6.
2016-10-20 | GSE75617 | GEO
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Project description:We investigate the impact of DNA methylation on epiblast differentiation. To this end, we used in vitro Epiblast-like cell (EpiLC) differentiation on WT and DNA-methylation free TKO murine ESCs. We next performed bulk RNAseq at D0, D2, D4, D6 and D8 of differentiation to study transcriptomic differences.
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Project description:We investigate the impact of DNA methylation on neural somatic differentiation. To this end, we used in vitro neural progenitor cell (NPC) differentiation on WT and DNA-methylation free TKO murine ESCs. We next performed bulk RNAseq at D0, D2, D4, D6 and D8 of differentiation to study transcriptomic differences.
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Project description:infarct size and subsequent deterioration in function. The identification of factors that enhance cardiac repair by the restoration of the vascular network is, therefore, of great significance. Here, we show that the transcription factor Zinc finger E-box-binding homeobox 2 (ZEB2) is increased in stressed cardiomyocytes and induces a cardioprotective cross-talk between cardiomyocytes and endothelial cells to enhance angiogenesis after ischemia. Single-cell sequencing indicates ZEB2 to be enriched in injured cardiomyocytes. Cardiomyocyte-specific deletion of ZEB2 results in impaired cardiac contractility and infarct healing post-myocardial infarction (post-MI), while cardiomyocyte-specific ZEB2 overexpression improves cardiomyocyte survival and cardiac function. We identified Thymosin 4 (TMSB4) and Prothymosin (PTMA) as main paracrine factors released from cardiomyocytes to stimulate angiogenesis by enhancing endothelial cell migration, and whose regulation is validated in our in vivo models. Therapeutic delivery of ZEB2 to cardiomyocytes in the infarcted heart induces the expression of TMSB4 and PTMA, which enhances angiogenesis and prevents cardiac dysfunction. These findings reveal ZEB2 as a beneficial factor during ischemic injury, which may hold promise for the identification of new therapies.
2021-03-23 | PXD022212 | Pride
Project description:The multi-domain transcription factor ZEB2 controls embryonic and adult cell fate decisions and maturation in many stem/progenitor cell types. Defects in these processes in specific cell types underlie Mowat-Wilson syndrome (MOWS), which is caused by ZEB2 haplo-insufficiency. Human ZEB2, like mouse Zeb2, is located on chromosome 2 downstream of an approximately 3.5 Mb-long gene-desert, lacking any protein-coding gene sequence. Using temporal high-resolution Targeted Chromatin Capture (T2C), we show major chromatin structural changes based on mapping in-cis proximities between the ZEB2 gene promoter and this gene desert during neural differentiation of induced pluripotent cells (iPSCs), including at early neuroprogenitor cell (NPC)/rosette state, where ZEB2 mRNA levels increase significantly. Combining T2C with histone-3 acetylation mapping, we identified three novel candidate enhancers about 500 kb upstream of the ZEB2 transcription start site (TSS). Functional luciferase-based assays in heterologous cells and NPCs reveal co-operation between these three enhancers. This study is the first to document in-cis regulatory elements (REs) located in ZEB2’s gene desert. The results further show the usability of T2C for future studies of ZEB2 REs in differentiation and maturation of relevant cell types, and the molecular characterization of identified MOWS patients that lack mutations in ZEB2 protein-coding exons.
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Project description:MicroRNAs (miRNAs) play a critical role in cells differentiation by targeting protein coding genes. The expression level of miRNA and mRNA between D0 and D4 differentiated C2C12 showed a great significance. It is closely related to myogenesis, and is helpful to understand function of miRNAs and disease related to muscle. We performed microarray and transcriptome profiling in differentiating C2C12 cells cells (at 0 and 4 days named D0 and D4, respectively) to detail the expression of mRNA and miRNAs during differentiation.
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Project description:Zinc finger E-box-binding homeobox 2 (ZEB2, also known as SMAD interacting protein 1 or Zfhx1b) protein is a transcription factor involved in the transforming growth factor β (TGFβ) and bone morphogenetic proteins (BMPs) signaling pathways. ZEB2 is a two-handed zinc-finger closely related to ZEB1 (ZFHX1a/δEF1) and it is present in many tissues including cardiac and skeletal muscles. Skeletal muscle development and adult myogenesis are regulated by helix-loop-helix proteins, including MyoD, Myf5, myogenin and MRF-4. It has been shown that ZEB1 (ZFHX1a/δEF1) competes with the myogenic regulatory factors for their consensus sequences on some target genes during muscle differentiation, however the role of ZEB2 in myogenesis is still unknown. In the present study, we evaluated the myogenic potential of Zeb2-null and R26_Zeb2 mouse embryonic stem cells by single-cell RNA-sequencing and tested muscle engraftment capability of the respective myogenic progenitors. Our results support the implication of Zeb2 in promoting myogenesis in pluripotent stem cells and myogenic progenitors by modulating specific genes encoding components of the TGFβ/BMP signaling system.
2020-03-31 | GSE147744 | GEO
Project description:T-bet is critical for cytotoxic T lymphocyte (CTL) differentiation, but it is unclear how it operates in a graded manner in the formation of both terminal effector and memory precursor cells during infection. We find that at high concentrations T-bet induced expression of Zeb2 mRNA, which then triggered CTLs to adopt terminally differentiated states. ZEB2 and T-bet cooperate to switch on a terminal CTL differentiation program, while simultaneously repressing genes necessary for central memory CTL development. Chromatin immunoprecipitation sequencing (ChIP-seq) showed that a large proportion of these genes were bound by T-bet, and this binding was altered by ZEB2 deficiency. Furthermore, T-bet overexpression could not fully bypass ZEB2 function. Thus, the coordinated actions of T-bet and ZEB2 outline a novel genetic pathway that forces commitment of CTLs to terminal differentiation, thereby restricting their memory cell potential. Splenocyte derived CD8+ T cells from C57BL/6 mice with either a wildtype (WT) (GzmB-Cre Zeb2+/+) or GzmB-Cre Zeb2-fl/fl (Zeb2-/-) backgrounds, following 8 days post infection with LCMV-Armstrong, were subsetted into KLRG1-hi/IL-7R-lo populations (terminal effectors, TE) or KLRG1-lo/IL-7R-hi (memory precursors, MP) populations. Four experimental groups, each with 3 samples, comprised of TE+WT, MP+WT, TE+ZEB2-/-, and MP+ZEB2-/-, were profiled for gene expression utilizing a polyA RNA prep and hybridized to the Illumina microarray platform IlluminaWG-v2.0.
2015-09-15 | E-GEOD-72408 | biostudies-arrayexpress