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Methylation analysis of human embryonic stem cells (hESCs), hESC-derived splanchnic mesoderm and hESC-derived mesothelium (mesenchymal form)

ABSTRACT: Genome wide DNA methylation profiling of hESC-derived mesothelium (MesoT), hESCs and hESC-derived splanchnic mesoderm (SplM) compared to primary human tissue samples. The Illumina Infinium HumanMethylation450 BeadChip kit was used to obtain DNA methylation profiles across approximately 450,000 methylation sites. Samples include 2 WA09 hESCs, 2 hESC-derived splanchnic mesoderm and 3 hESC-derived mesothelium replicates.

ORGANISM(S): Homo sapiens

PROVIDER: GSE116754 | GEO | 2018/10/06

REPOSITORIES: GEO

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Methylation analysis of human embryonic stem cells (hESCs), hESC-derived splanchnic mesoderm and hESC-derived mesothelium (mesenchymal form)

Project description:Methylation analysis of human embryonic stem cells (hESCs), hESC-derived splanchnic mesoderm and hESC-derived mesothelium (mesenchymal form)

| PRJNA480046 | ENA

Gene expression analysis of hESC-derived-MESP1 expressing progenitors

Project description:A hESC MESP1-MCHERRY reporter line was used to isolate and study the molecular character of MESP1 expressing pre-cardiac progenitors, derived from hESC. MESP1 is a key-transcription factor for pre-cardiac mesoderm and is marking the progenitor for almost all cells of the heart. This reporter line was used to study cardiac differentiation and the derivation of early cardiac progenitors in vitro. hESCs were differentiated towards the cardiac lineage, expressing MESP1-mCherry at day 3 of differentiation. Total RNA obtained from isolated MESP1-mCherry expressing progenitors was compared to that of non-MESP1-expressing progenitors and undifferentiated hESCs in order to characterize MESP1-specific transcription factors and proteins.

2014-09-01 | E-GEOD-56721 | biostudies-arrayexpress

Comparsion of different hESC line derived neural progenitor cells (hNPCs)

Project description:The self-renewal and differentiation potential of human embryonic stem cells (hESCs) suggests that hESCs could be used for regenerative medicine, especially for restoring neuronal functions in brain diseases. However, the functional properties of neurons derived from hESC are largely unknown. Moreover, since hESCs were derived under diverse conditions, the possibility arises that neurons derived from different hESC lines exhibit distinct properties, but this possibility remains unexplored. To address these issues, we developed a protocol that allows step-wise generation from hESCs of ~70-80% pure human neurons that form spontaneously active synaptic networks in culture. Comparison of neurons derived from the well-characterized HSF1 and HSF6 hESC lines revealed that HSF1- but not HSF6-derived neurons exhibit forebrain properties. Accordingly, HSF1-derived neurons initially form primarily GABAergic synaptic networks, whereas HSF6-derived neurons initially form glutamatergic networks. microRNA profiling revealed significant expression differences between the two hESC lines, suggesting that microRNAs may influence their distinct differentiation properties. These observations indicate that although both HSF1 and HSF6 hESCs differentiate into functional neurons, the two hESC lines exhibit distinct differentiation potentials, suggesting that they are pre-programmed. Information on hESC line-specific differentiation biases is crucial for neural stem cell therapy and establishment of novel disease models using hESCs. Keywords: Gene expression profiling

2007-07-04 | GSE8347 | GEO

Nucleosome positioning changes during human embryonic stem cell differentiation.

Project description:Nucleosomes are the basic unit of chromatin. Nucleosome positioning (NP) plays a key role in transcriptional regulation and other biological processes. To better understand NP we used MNase-seq to investigate changes that occur as human embryonic stem cells (hESCs) transition to nascent mesoderm and then to smooth muscle cells (SMCs). Compared to differentiated cell derivatives, nucleosome occupancy at promoters and other notable genic sites, such as exon/intron junctions and adjacent regions, in hESCs shows a stronger correlation with transcript abundance and is less influenced by sequence content. Upon hESC differentiation, genes being silenced, but not genes being activated, display a substantial change in nucleosome occupancy at their promoters. Genome-wide, we detected a shift of NP to regions of higher G+C content as hESCs differentiate to SMCs. Notably, genomic regions with higher nucleosome occupancy harbor twice as many GâC changes but fewer than half AâT changes, compared to regions with lower nucleosome occupancy. Finally, our analysis indicates that the hESC genome is not rearranged and has a sequence mutation rate resembling normal human genomes. Our study reveals another unique feature of hESC chromatin, and sheds light on the relationship between nucleosome occupancy and sequence G+C content. Gene expression data for human embryonic cells (WA09-hESC), and embryonic cell differentiated derivatives (WA09-INM and WA09-SMC).

2016-05-16 | E-GEOD-45877 | biostudies-arrayexpress

NGLY1-deficient cerebral organiods display abnormal neuronal differentiation

Project description:We report using a single-cell transcriptomic study of cerebral organiods (COs) developed from WA09 hESCs with gene editing-induced NGLY1 mutations and from NGLY1-deficient patient's hiPSCs at 40 or 80 days of development. WA09 hESC-derived COs with and without mutant NGLY1 and patient's hiPSC-derived COs with and without the ectopic expression NGLY1 were analyzed.

2020-12-16 | GSE142143 | GEO

Transcription profiling of human embryonic stem cell (hESC) derived mesenchymal precursor cell populations

Project description:We have developed efficient protocols for the derivation of mesenchymal precursors from hESCs. While previous protocols were based on mesodermal induction via co-culture of hESCs on OP9 mouse stroma (Barberi et al., PLoS Biology, 2005), our recent work shows the derivation of hESC derived mesenchymal precurors under feeder-free conditions. The data presented here show a large and highly signficant overlap in global gene expression profiles between hESC derived mesenchymal precursors derived under feeder-free conditions with those derived via OP9 co-culure and mesenchymal precurosrs isolated directly from the adult bone marrow. Experiment Overall Design: These data compare the gene expression profiles of hESC derived mesenchymal precursors derived via the OP9 protocol, with those obtained under feeder-free conditions and adult bone marrow derived mesenchymal precursors. Three samples of undifferentiated hESCs are used for subtracting genes to define mesenchymal precurosr cell specific signatures (see Barberi et al. Nature Medicine 2007 for details).

2008-06-15 | E-GEOD-7332 | biostudies-arrayexpress

Single cell transcriptome profiling of mouse and hESC-derived pancreatic progenitors

Project description:Human embryonic stem cells (hESCs) are a potential unlimited source of insulin-producing β-cells for diabetes treatment. A greater understanding of how β-cells form during embryonic development will improve current hESC differentiation protocols. As β-cells are formed from NEUROG3-expressing endocrine progenitors, this study focused on characterizing the single-cell transcriptomes of mouse and hESC-derived endocrine progenitors. To do this, 7,223 E15.5 and 6,852 E18.5 single cells were isolated from Neurog3-Cre; Rosa26mT/mG embryos, allowing for enrichment of endocrine progenitors (yellow; tdTomato + EGFP) and endocrine cells (green; EGFP). From a NEUROG3-2A-eGFP CyT49 hESC reporter line (N5-5), 4,497 hESC-derived endocrine progenitor cells were sequenced. Differential expression analysis reveals enrichment of markers that are consistent with progenitor, endocrine, or novel cell-state populations. This study characterizes the single-cell transcriptomes of mouse and hESC-derived endocrine progenitors and serves as a resource (https://lynnlab.shinyapps.io/embryonic_pancreas/) for improving the formation of functional β-like cells from hESCs.

2018-12-19 | GSE120522 | GEO

Comparison of human embryonic stem cell (hESC) derived mesenchymal precursor cell populations

2007-05-17 | GSE7332 | GEO

3' RNA-Seq (3'SEQ) analysis gene expression profiling at G1-S transition in human embryonic stem cells (hESCs) and hESC-derived endoderm cells

Project description:In this report, we examine transcripts on a genome-wide level between the synchronized cell cycles of hESCs and hESC-derived endoderm cells. We found 10347, 10299 and 10362 genes expressed in the G1, G1/S, and S phase of hESCs, respectively; 10333, 10227 and 10215 genes expressed at the G1, G1/S and S phase of derived endoderm. We compared the transcriptome between these data sets and identified genes with differentiated phase expression between hESCs and hESC-derived endoderm cells. Examination of the transcriptome at the G1-S transition in hESCs compared to hESC-derived endoderm cells.

2014-05-14 | E-GEOD-47117 | biostudies-arrayexpress

Gene expression analysis of hESC-derived-MESP1 expressing progenitors

2014-09-01 | GSE56721 | GEO

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