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Epigenetic biomarkers to track differentiation of pluripotent stem cells [RNA-Seq]

ABSTRACT: Epigenetic biomarkers to track differentiation of pluripotent stem cells [RNA-Seq]

PROVIDER: PRJNA853758 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19886672.fastq.gz	Fastqsanger.gz
	SRR19886673.fastq.gz	Fastqsanger.gz
	SRR19886674.fastq.gz	Fastqsanger.gz
	SRR19886675.fastq.gz	Fastqsanger.gz
	SRR19886676.fastq.gz	Fastqsanger.gz

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Epigenetic biomarkers to track differentiation of pluripotent stem cells

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Project description:Quality control of induced pluripotent stem cells remains a challenge. For validation of the pluripotent state, it is crucial to determine trilineage differentiation potential toward endoderm, mesoderm, and ectoderm. Here, we report GermLayerTracker, a combination of site-specific DNA methylation (DNAm) assays that serve as biomarker for early germ layer specification. CG dinucleotides (CpGs) were identified with characteristic DNAm at pluripotent state and after differentiation into endoderm, mesoderm, and ectoderm. Based on this, a pluripotency score was derived that may be indicative for differentiation capacity, as well as lineage-specific differentiation scores to monitor either directed differentiation, or self-organized multilineage differentiation in embryoid bodies. Furthermore, we established pyrosequencing assays for fast and cost-effective analysis. In the future, the GermLayerTracker could be used for quality control of pluripotent cells and to estimate lineage-specific commitment during initial differentiation events.

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Project description:Quality control of induced pluripotent stem cells remains a challenge. For validation of the pluripotent state, it is crucial to determine trilineage differentiation potential toward endoderm, mesoderm, and ectoderm. Here, we report GermLayerTracker, a combination of site-specific DNA methylation (DNAm) assays that serve as biomarker for early germ layer specification. CG dinucleotides (CpGs) were identified with characteristic DNAm at pluripotent state and after differentiation into endoderm, mesoderm, and ectoderm. Based on this, a pluripotency score was derived that tracks reprogramming and may indicate differentiation capacity, as well as lineage-specific scores to monitor either directed differentiation or self-organized multilineage differentiation in embryoid bodies. Furthermore, we established pyrosequencing assays for fast and cost-effective analysis. In the future, the GermLayerTracker could be used for quality control of pluripotent cells and to estimate lineage-specific commitment during initial differentiation events.

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Epigenetic biomarkers to track differentiation of pluripotent stem cells

Project description:This SuperSeries is composed of the SubSeries listed below.

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Metabolomic Profiling of Human Pluripotent Stem Cell Differentiation into Lung Progenitors

Project description:Metabolism is vital to cellular function and tissue homeostasis during human lung development. In utero, embryonic pluripotent stem cells undergo endodermal differentiation towards a lung progenitor cell fate that can be mimicked in vitro using induced human pluripotent stem cells (hiPSCs) to study genetic mutations. To identify differences between wild type and surfactant protein B (SFTPB)-deficient cell lines during endoderm specification towards lung, we used an untargeted metabolomics approach to evaluate the developmental changes in metabolites. We found that the metabolites most enriched during the differentiation from pluripotent stem cell to lung progenitor cell, regardless of cell line, were sphingomyelins and phosphatidylcholines, two important lipid classes in fetal lung development. The SFTPB mutation had no metabolic impact on early endodermal lung development. The identified metabolite signatures during lung progenitor cell differentiation may be utilized as biomarkers for normal embryonic lung development.

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