Morphogenetic and transcriptomic signature of syncytialization from human trophoblast stem cells
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PROVIDER: PRJNA693315 | ENA |
REPOSITORIES: ENA
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Project description:Comprehensive quantitative proteomic study of human pre-implantation embryo stages reveal dynamic proteome landscape from M2, 8-cell and blastocyst stage, and during trophoblast stem cell (TS) differentiation. Identified key factors in early human embryos and lineage-specific trophoblast proteome profiles, correlated with transcriptomic analyses. This direct proteomic analysis provides a comprehensive analysis of the dynamic protein expression in human embryos during pre-implantation development and a powerful resource to enable further mechanistic studies on human trophoblast development and function.
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Project description:Identification of genes involved in trophoblast differentiation is of great interest in understanding cellular and molecular mechanisms involved in placental development and is relevant clinically to fetal development, fertility, and maternal health. To understand, on a global scale, changes in the transcriptome during the differentiation of hESCs down the trophoblast lineage, a large-scale microarray analysis was performed. This work provides an in vitro functional genomic model with which to identify genes involved in trophoblast development.
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Project description:This study aims to compare in vivo human trophoblast differentiation into EVTs to different in vitro trophoblast organoids using single-cell and single-nuclei RNA sequencing. The study includes two type of systems: human primary trophoblast organoids (PTO) and trophoblast stem cells (TSCs). Trophoblast stem cell (TSC) lines BTS5 and BTS11 derived by Okae and colleagues were grown as described previously (Okae et al. 2018) and together with EVT media. Primary trophoblast organoids (PTO) were grown and differentiated into EVT as previously described by Turco & Sheridan (Turco et al 2018; Sheridan et al 2020). This study shows that the main regulatory programs mediating EVT invasion in vivo are preserved in in vitro models of EVT differentiation from primary trophoblast organoids and trophoblast stem cells.
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