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Comparative analysis from hESC from different developmental sources of derivation

ABSTRACT: Whole genome expression analysis reveals that single blastomeres from day-3 human embryos and blastocysts show unique gene signature, thus hESC derived from these two developmental sources might show differential gene expression profile. Comparative gene expression analysis has revealed that no significant differences exist between hESCs derived from blastomeres versus those obtained from ICMs, suggesting that pluripotent hESCs involve a new developmental progression.

ORGANISM(S): Homo sapiens

PROVIDER: GSE42520 | GEO | 2012/11/27

SECONDARY ACCESSION(S): PRJNA182190

REPOSITORIES: GEO

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Comparative analysis from hESC from different developmental sources of derivation

Project description:Whole genome expression analysis reveals that single blastomeres from day-3 human embryos and blastocysts show unique gene signature, thus hESC derived from these two developmental sources might show differential gene expression profile. Comparative gene expression analysis has revealed that no significant differences exist between hESCs derived from blastomeres versus those obtained from ICMs, suggesting that pluripotent hESCs involve a new developmental progression. hESC derived from single blastomeres (VAL-10B and VAL-11B) and from ICM (VAL-5, -7, and -8) were compared by global gene expression

2012-11-27 | E-GEOD-42520 | biostudies-arrayexpress

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

Project description: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.

2018-10-06 | GSE116754 | GEO

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

Comparing isogenic pairs of hESC and hiPSC lines reveals genetic background and reprogramming method as primary sources of transcriptional variation

Project description:The equivalency of human induced pluripotent stem cells (hiPSCs) with human embryonic stem cells (hESCs) remains controversial. Here, we devised a strategy to assess the contribution of clonal growth, reprogramming method and genetic background to transcriptional patterns in hESCs and hiPSCs. Surprisingly, transcriptional variation originating from two different genetic backgrounds was dominant over variation due to the reprogramming method or cell type of origin of pluripotent cell lines. Moreover, the few differences we detected between isogenic hESCs and hiPSCs neither predicted functional outcome, nor distinguished an independently derived, larger set of unmatched hESC/hiPSC lines. We conclude that hESCs and hiPSCs are transcriptionally and functionally highly similar and cannot be distinguished by a consistent gene expression signature. Our data further imply that genetic background variation is a major confounding factor for transcriptional comparisons of pluripotent cell lines, explaining some of the previously observed expression differences between unmatched hESCs and hiPSCs.

2015-10-26 | GSE73211 | 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

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

Comparing isogenic pairs of hESC and hiPSC lines reveals genetic background and reprogramming method as primary sources of transcriptional variation

2015-10-26 | E-GEOD-73211 | biostudies-arrayexpress

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

2007-05-17 | GSE7332 | GEO

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

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

2014-05-14 | GSE47117 | GEO

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