CLIP-seq of Csrp1 in mouse embryoid bodies of day 9
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ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE226213 | GEO | 2024/08/23
REPOSITORIES: GEO
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Project description:mESCs were in vitro differentiated into embryoid bodies under suspension cultured condition and was collected at day 9 of differentiation. Polyadenylated mRNAs of mESCs and EBs were isolated and used to build the sequencing library.
2024-08-23 | GSE226212 | GEO
Project description:CLIP-seq of Csrp1 in mouse embryoid bodies of day 9
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Project description:RNA-seq analysis of wild-type and csrp1KO mESCs and embryoid bodies of day 9, and CLIP-seq of Csrp1 in mouse embryoid bodies of day 9
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Project description:Embryoid Bodies from Mouse R1 ES - 9 day Keywords: other
2005-07-28 | GSE3007 | GEO
Project description:This experiment was specifically designed to measure neural targets of Shh signaling, we sought to profile the genes upregulated by Hh signaling in the ventral neural tube to obtain a valid dataset. To obtain ventral-specific markers, we generated retinoic acid-treated EBs grown in the presence or absence of HH-Ag. We did not observe induction of ventral Hh markers in RA-treated constitutive Gli1FLAG EBs and used these for the control, baseline set. The presence of FoxA2, Nkx2.9 and Nkx6.1 amongst the top 10 genes based on expression levels suggests that profiling significantly enriches for Hh-dependent cell types. As expected, the benchmark standard Gli1 was not up-regulated in our array, since it is constitutively expressed in the control as well. Keywords: neural progenitors, embryoid bodies, differentiation, Hedgehog, retinoic acid
2007-04-20 | GSE4936 | GEO
Project description:This study investigates the processes of angiogenesis and lymphangiogenesis in an in vitro mouse Embryoid Body (EB) model while maintaining as closely as possible an in vivo environment that is observed in human and murine placental development. Several studies have documented that human placental development is profoundly influenced by oxygen tension. Further the developing murine embryo also experiences hypoxic conditions prior to parturition, which regulates early organogenesis and embryonic blood vessel formation in vivo. Embryonic stem (ES) cells derived from 129/SvJ mice were differentiated into embryoid bodies (EBs) and were subjected to two oxygen treatments: normoxia (21% O2) and hypoxia (2.6%). Hypoxia was achieved in a humidified chamber flushed with 95% N2/5% CO2 until the oxygen level was stably maintained at 2.6%. EBs were transferred on days E8, E12, E15 and E18 to hypoxia or maintained in normoxia. After 2 days of differential oxygen treatments, these EBs were analyzed at E10, E14, E17 and E20 respectively.
2012-08-12 | GSE17613 | GEO
Project description:Analysis of embryonic sten cell-derived embryoid bodies following endoglin knock out. Loss of endoglin leads to profound reduction of key hematopoietic regulators including SCL, LMO2, Gata2, and TGF-? signaling molecule ALK-1. Results provide insight into molecular mechanisms underlying hemangioblast and primitive hematopoietic development. Total RNA obtained from differentiated day 3 EBs of endoglin knock out ES cells were compared to wild type E14 control ES cells.
2011-05-16 | E-GEOD-29300 | biostudies-arrayexpress
Project description:Embryoid bodies, 3D aggregates of spontaneously differentiating iPSCs, have the potential to be a useful model system for genomic studies of diverse cell types. We first collected single-cell RNA-sequencing data from embryoid bodies (EBs) generated from 3 Yoruba individuals (18858, 18511, and 19160) in 3 replicates. We classify functional heterogeneity in EB cells using unsupervised clustering, differential expression analysis, reference annotation, and topic modelling. We then inferred differentiation trajectories that recapitulate known developmental patterns of gene expression. We later collected Day 21 EBs from a single replicate of 5 additional Yoruba iPSC lines (18856, 18912, 19140,19159, and 19210) and use this data to demonstrate robustness of EB cell type composition across iPSC lines. Our results establish EBs as a powerful model system to facilitate discovery of QTLs for cell type composition, as well as eQTLs and dynamic eQTLs across a multitude of human cell types and developmental trajectories.
2021-06-16 | GSE178274 | GEO
Project description:During embryogenesis, cell specification and tissue formation is directed by the concentration and temporal presentation of morphogens, and similarly, pluripotent embryonic stem cells differentiate in vitro into various phenotypes in response to morphogen treatment. Embryonic stem cells are commonly differentiated as three dimensional spheroids called embryoid bodies (EBs); however, differentiation within EBs is typically heterogeneous and disordered. Here we show that spatiotemporal control of microenvironmental cues embedded directly within EBs enhances the homogeneity, synchrony and organization of differentiation. Degradable polymer microspheres releasing retinoic acid within EBs induce the formation of cystic spheroids closely resembling the early streak mouse embryo, with an exterior of visceral endoderm enveloping an epiblast layer. These results demonstrate that controlled morphogen presentation to stem cells more efficiently directs cell differentiation and tissue formation, thereby improving developmental biology models and enabling the development of regenerative medicine therapies and cell diagnostics.
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Project description:To unravel the molecular mechanism by which HOXB4 promotes the expansion of early hematopoietic progenitors within differentiating ES cells, we analzed the gene expression profiles of embryoid bodies (EBs) in which transcription of HOXB4 had been induced or not induced. A substantial number of the identified HOXB4 target genes are involved in signaling pathways important for controlling self-renewal, maintenance and differentiation of stem cells. Furthermore, we demonstrate that HOXB4 activity and FGF-signaling are intertwined. HOXB4-mediated expansion of ES cell-derived early progenitors was enhanced by specific and complete inhibition of FGF-receptors. In contrast, the expanding activity of HOXB4 on hematopoietic progenitors in day4-6 embryoid bodies was blunted in the presence of basic FGF (FGF2) indicating a dominant negative effect of FGF-signaling on the earliest hematopoietic cells. Taken together, we show that modulation of FGF signaling is an essential feature of HOXB4 activity in the context of embryonic hematopoiesis. Experiment Overall Design: The Hoxb4i ES cell line (Kyba et al. 2002, Cell 109:29-37) contains an integrated âtet-onâ cassette that allows induction of HOXB4 expression upon treatment with doxycycline. These ES cells can be used to produce hematopoietic cells through the formation of embryoid bodies (EBs). Hematopoiesis starts in these EBs at day 4 and the differentiation into hematopoietic fates can be quantified by colony assays on methyl-cellulose using cells dissociated from EBs at day 6 of incubation. The induction of HOXB4 by incubation with doxycycline increases the production of hematopoietic progenitors within EBs by day 6. Using this specific ES cell line, we compared the transcriptome between embryoid bodies (EBs) in which transcription of HOXB4 had been induced or not induced from day 4 to day 6 (48hours). Experiment Overall Design: Biological replicates: 3
2008-06-16 | E-GEOD-9044 | biostudies-arrayexpress