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Homo sapiens

ABSTRACT: Laminin-guided highly efficient endothelial commitment from human pluripotent stem cells [Bulk RNA-Seq]

PROVIDER: PRJNA339382 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR4040120.fastq.gz	Fastqsanger.gz
	SRR4040121.fastq.gz	Fastqsanger.gz
	SRR4040112.fastq.gz	Fastqsanger.gz
	SRR4040122.fastq.gz	Fastqsanger.gz
	SRR4040113.fastq.gz	Fastqsanger.gz

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Laminin-guided highly efficient endothelial commitment from human pluripotent stem cells

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Laminin-guided highly efficient endothelial commitment from human pluripotent stem cells [Single Cell RNA-Seq]

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Project description:Aims: Pluripotent stem cell-derived endothelial cell products possess therapeutic potential in ischemic vascular disease. However, the factors that drive endothelial differentiation from pluripotency and cellular specification are largely unknown. The aims of this study were to use single cell RNA sequencing (scRNA-seq) to map the transcriptional landscape and cellular dynamics of directed differentiation of human embryonic stem cell-derived endothelial cells (hESC-EC), and to compare these cells to mature endothelial cells from diverse vascular beds.Methods and Results: A highly efficient directed 8-day differentiation protocol was used to generate a hESC-derived endothelial cell product (hESC-ECP), in which 66% of cells coexpressed CD31 and CD144. We observed largely homogeneous hESC and mesodermal populations at days 0 and 4 respectively, followed by a rapid emergence of distinct endothelial and mesenchymal populations. Pseudotime trajectory identified transcriptional signatures of endothelial commitment and maturation during the differentiation process. Concordance in transcriptional signatures was verified by scRNA-seq analysis using both a second hESC line RC11, and an alternative hESC-EC differentiation protocol. In total 105,727 cells were subjected to scRNA-seq analysis. Global transcriptional comparison revealed a transcriptional architecture of hESC-EC that differs from freshly isolated and cultured human endothelial cells and from organ-specific endothelial cells. Conclusions: A transcriptional bifurcation into endothelial and mesenchymal lineages was identified, as well as novel transcriptional signatures underpinning commitment and maturation. The transcriptional architecture of hESC-ECP was distinct from mature and foetal human EC.

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