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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Karyotype analysis of human naive embryonic stem cells

ABSTRACT: Human pluripotent cell lines were derived from blastocyst-stage embryos and propagated in self-renewal conditions that maintain features of naive pluripotency characteristic of mouse embryonic stem cells. Genomic integrity of the HNES1 cell line was assessed with the Affymetrix CytoScan 750K array.

ORGANISM(S): Homo sapiens

SUBMITTER: Paul Bertone

PROVIDER: E-MTAB-4463 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Naive Pluripotent Stem Cells Derived Directly from Isolated Cells of the Human Inner Cell Mass.

Guo Ge G von Meyenn Ferdinand F Santos Fatima F Chen Yaoyao Y Reik Wolf W Bertone Paul P Smith Austin A Nichols Jennifer J

Stem cell reports 20160303 4

Conventional generation of stem cells from human blastocysts produces a developmentally advanced, or primed, stage of pluripotency. In vitro resetting to a more naive phenotype has been reported. However, whether the reset culture conditions of selective kinase inhibition can enable capture of naive epiblast cells directly from the embryo has not been determined. Here, we show that in these specific conditions individual inner cell mass cells grow into colonies that may then be expanded over mul ...[more]

PMID: 26947977

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DNA methylation profiling of human naive embryonic stem cells

Project description:Human pluripotent cell lines were derived from blastocyst-stage embryos and propagated in self-renewal conditions that maintain features of naive pluripotency characteristic of mouse embryonic stem cells. Genome-wide DNA methylation status of HNES1 and HNES3 naive and primed cells was assessed with post-bisulfite adapter tagging (PBAT).

2016-03-01 | E-MTAB-4462 | biostudies-arrayexpress

Transcriptional profiling of human naive embryonic stem cells

Project description:Human pluripotent cell lines were derived from blastocyst-stage embryos and propagated in self-renewal conditions that maintain features of naive pluripotency characteristic of mouse embryonic stem cells. Transcriptional activity of HNES1, HNES2 and HNES3 cell lines was assessed with RNA-seq.

2016-03-01 | E-MTAB-4461 | biostudies-arrayexpress

RNA sequencing of conventional and reset human pluripotent stem cells

Project description:Human pluripotent cells were reset to ground state pluripotency by transient overexpression of NANOG and KLF2 and subsequent inhibition of ERK and protein kinase C. Transcriptional profiling of reset cells and conventional pluripotent stem cell cultures was carried out by RNA-seq, in tandem with mouse embryonic stem cells propagated under similar conditions to assess the combinatorial effects of MEK inhibitor PD0325901, GSK3 inhibitor CHIR99021 and PKC inhibitor Go6983.

2014-09-10 | E-MTAB-2857 | biostudies-arrayexpress

Microarray expression profiling of conventional and reset human pluripotent stem cells

Project description:Human pluripotent cells were reset to ground state pluripotency by transient overexpression of NANOG and KLF2 and subsequent inhibition of ERK and protein kinase C. Transcriptional profiling of H9 parental and clonal lines, and induced pluripotent stem cells derived from adult fibroblast and adipose cell types was carried out in reset and conventional culture conditions.

2014-09-10 | E-MTAB-2856 | biostudies-arrayexpress

Resetting Transcription Factor Control Circuitry Towards Ground State Pluripotency In Human

Project description:Current human pluripotent stem cells lack the transcription factor circuitry that governs the ground state of mouse embryonic stem cells (ESC). Here we report that short-term expression of two components, NANOG and KLF2, is sufficient to ignite other elements of the network and reset the human pluripotent state. Inhibition of ERK and protein kinase C signalling sustains a transgene-independent rewired state. Reset cells self-renew continuously without ERK signalling, are phenotypically stable and karyotypically intact. They differentiate in vitro and form teratomas in vivo. Metabolism is reprogrammed in reset cells with activation of mitochondrial respiration as in ESC. DNA methylation is dramatically reduced and transcriptome state is globally realigned across multiple cell lines. Depletion of ground state transcription factors, TFCP2L1 or KLF4 has marginal impact on conventional human pluripotent stem cells, but collapses the reset state. These findings demonstrate feasibility of installing and propagating functional control circuitry for ground state pluripotency in human cells. DNA methylation analysis in Conventional and Reset human embryonic stem cells by whole genome bisulfite sequencing, in triplicate, using the Illumina platform

2014-09-10 | E-GEOD-60945 | biostudies-arrayexpress

RNA-seq of chemically reset human naive pluripotent stem cells

Project description:A simple method is presented to reset human pluripotent cells to a naive state via transient histone deacetylase inhibition and maintenance in chemically-defined naive stem cell culture media. Cells can be reset without transgenes and expanded continuously either on feeders or alternative substrates in feeder-free conditions. Multiple cell lines of varying origin were reset and characterised in parallel with conventionally cultured counterparts.

2017-08-07 | E-MTAB-5674 | biostudies-arrayexpress

Proteomics analysis of FUS mutant human motoneurons reveals altered regulation of cytoskeleton and other ALS-linked proteins via 3’UTR binding

Project description:Increasing evidence suggests that in Amyotrophic Lateral Sclerosis (ALS) mutated RNA binding proteins acquire aberrant functions, leading to altered RNA metabolism with significant impact on encoded protein levels. Here, by taking advantage of a human induced Pluripotent Stem Cell (hiPSC)-based model, we aimed to gain insights on the impact of ALS mutant FUS on the motoneuron proteome. Label-free proteomics analysis by mass-spectrometry revealed upregulation of proteins involved in catabolic processes and oxidation-reduction, and downregulation of cytoskeletal proteins and factors directing neuron projection. Mechanistically, proteome alteration does not correlate with transcriptome changes. Rather, we observed a strong correlation with selective binding of mutant FUS to target mRNAs in their 3’UTR. Novel validated targets, selectively bound by mutant FUS only, include genes previously involved in familial or sporadic ALS, such as VCP, and regulators of membrane trafficking and cytoskeleton remodeling, such as ASAP1. These findings unveil a novel mechanism by which mutant FUS might intersect other pathogenic pathways in ALS patients’ motoneurons.

2020-10-27 | PXD019596 | Pride

A toggle-switch between miR-142 and LIF-signaling creates heterogeneity among mouse ES cells

Project description:RNA-seq of mouse embryonic stem cells sorted according to miR-142 activity levels

2015-12-31 | E-MTAB-2830 | biostudies-arrayexpress

Microarray profiling of mESCs differentiation time course toward neuronal lineage

Project description:mESC adapted to 2i/LIF conditions over four passages (8 days) before differentiation towards the neuronal lineage was induced using experimental conditions described in the literature (PMID: 12524553).

2017-09-27 | E-MTAB-5861 | biostudies-arrayexpress

Nascent transcription during NuRD complex induction

Project description:Molecular functions of the Nucleosome Remodeling and Deacetylation (NuRD) complex in the control of gene expression were investigated using an inducible system to direct its assembly in embryonic stem cells. This dataset profiles nascent RNA transcription in response to NuRD induction.

2018-05-31 | E-MTAB-6805 | biostudies-arrayexpress

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