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Single-cell transcriptomic analysis of embryonic vasculogenesis identifies the conversion of Etv2-deficient vascular progenitors into skeletal muscle

ABSTRACT: Single-cell transcriptomic analysis of embryonic vasculogenesis identifies the conversion of Etv2-deficient vascular progenitors into skeletal muscle

PROVIDER: PRJNA601476 | ENA |

REPOSITORIES: ENA

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Single-cell transcriptomic analysis of embryonic vasculogenesis identifies the conversion of Etv2-deficient vascular progenitors into skeletal muscle

Project description:During vertebrate embryogenesis, vascular endothelial cells originate in the lateral plate mesoderm (LPM) next to the progenitors of skeletal muscle. It is currently not clear what prevents vascular progenitors from responding to the adjacent signals that promote muscle development. An ETS transcription factor Etv2 functions as an evolutionarily conserved master regulator of vasculogenesis. Here we performed single-cell transcriptomic analysis of hematovascular development in wild-type and etv2 mutant zebrafish embryos. Distinct transcriptional signatures of different types of hematopoietic and vascular progenitors were identified using an etv2ci32Gt gene trap line, in which Gal4 transcriptional activator has integrated into the etv2 gene locus. Unexpectedly, a cell population with the skeletal muscle signature was observed in etv2-deficient embryos. We demonstrate that multiple etv2ci32Gt; UAS:GFP cells migrate into the somites, elongate and differentiate as skeletal muscle cells instead of contributing to vasculature in etv2-deficient embryos. Wnt and FGF signaling promoted the differentiation of these putative multipotent etv2 progenitor cells into skeletal muscle cells. We conclude that etv2 actively represses muscle differentiation in vascular progenitors, thus locking these cells into vascular endothelial fate. We also identified the transcriptional signature of putative multipotent progenitors within the LPM that may give rise to vascular progenitor and skeletal muscle cells. Finally, we demonstrate that arterial progenitors co-express multiple arterial and venous markers during early stages of vasculogenesis, suggesting multi-potency of early vascular progenitors.These findings will be important in understanding the ontogeny of different mesodermal lineages and will help in designing in vitro differentiation strategies to generate vascular, muscle and other types of progenitors for therapeutic purposes.

2020-03-10 | GSE142484 | GEO

Single-cell transcriptomic analysis of embryonic vasculogenesis identifies the conversion of Etv2-deficient vascular progenitors into skeletal muscle

Project description:An ETS transcription factor Etv2 functions as an evolutionarily conserved master regulator of vasculogenesis. Here we performed single-cell transcriptomic analysis of hematovascular development in wild-type and etv2 mutant zebrafish embryos. Distinct transcriptional signatures of different types of hematopoietic and vascular progenitors were identified using an etv2ci32Gt gene trap line, in which the Gal4 transcriptional activator is integrated into the etv2 gene locus. Unexpectedly, a cell population with a skeletal muscle signature was observed in etv2-deficient embryos. We demonstrate that multiple etv2ci32Gt; UAS:GFP cells migrate into the somites, elongate and differentiate as skeletal muscle cells instead of contributing to vasculature in etv2-deficient embryos.

2020-01-16 | GSE143750 | GEO

Single-cell transcriptomic analysis of embryonic vasculogenesis identifies the conversion of Etv2-deficient vascular progenitors into skeletal muscle

Project description:Single-cell transcriptomic analysis of embryonic vasculogenesis identifies the conversion of Etv2-deficient vascular progenitors into skeletal muscle

| PRJNA597148 | ENA

Single-cell transcriptomic analysis identifies the conversion of zebrafish Etv2-deficient vascular progenitors into skeletal muscle.

Project description: Not available

| S-EPMC7271194 | biostudies-literature

Conversion of human fibroblasts into vascular cells

Project description:This SuperSeries is composed of the following subset Series: GSE40793: Conversion of human fibroblasts into vascular cells (gene expression) GSE40909: Conversion of human fibroblasts into vascular cells (methylation) Refer to individual Series

2012-09-18 | E-GEOD-40927 | biostudies-arrayexpress

Genome-wide analysis of gene expression of Flk1Cre;ETV2 CKO mouse yolk sacs.

Project description:To identify genes critical for vascular development, we generated mice where ETV2 is inactivated in FLK1+ cells by a loxP-Cre recombination approach. Results provide a detailed insight into the function of ETV2 in emrbyonic vasculare formation. Total RNA obtained from E9.5 yolk sacs from Flk1Cre;ETV2 CKO and control mice.

2014-11-17 | E-GEOD-51407 | biostudies-arrayexpress

Profiling gene expression of ETV2-induced vascular endothelial cells (ETVECs)

Project description:ETV2 induces expression of endothelial-specific genes in primary human adult skin fibroblasts (HAFs) Human unbillical vein endothelial cells (HUVECs) are used as a control 32 days after ETV2 induction into HAFs, cells are recognized as ETVECs. ETVECs were created from three independent skin donor. Each number of ETVEC is correspond to the number of HAF.

2013-07-19 | E-GEOD-48980 | biostudies-arrayexpress

Comparison of Flk-1+/Etv2- vs Flk-1+/Etv2+ populations

Project description:Screening for genes up in Etv2+ cells within Flk-1+ ES derived mesoderm Microarray analysis performed to screen for the candidate genes regulated by Etv2. Differentiated Flk-1+ mesoderm can be devided into Etv2+ or-. Etv2+ cells are assumed to be committed to hemato/endothelial cells. Comparison of two populations can reveal genes relevant in this commitment. Extract RNA from sorted Flk-1+/Etv2- vs Flk-1+/Etv2+ populations.Etv2-Venus KI ES cells were differentiated on OP9 for 4-5 days and Flk-1+ population was separated into Etv2-Venus+ or- cells. Total RNA was purified from each population for analysis.

2011-08-30 | E-GEOD-31743 | biostudies-arrayexpress

Genome-wide analysis of gene expression of Flk1Cre;ETV2 CKO mouse yolk sacs.

2014-11-17 | GSE51407 | GEO

Comparison of Flk-1+/Etv2- vs Flk-1+/Etv2+ populations

2011-08-31 | GSE31743 | GEO