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Gene expression profile of embryonic stem cell-derived TS-like cells by single cell RNA-sequencing

ABSTRACT: Human embryonic stem cells (ESCs) were differentiated into GATA3-expressing extraembryonic cells (GATA3+ ExE cells) by exposure to chemical inhibitors targeting ACTIVIN/NODAL (A83-01, 1uM) and FGF signaling (PD03714, 100nM). Using these GATA3-expressing cells as a starting material, we established trophoblast stem-like cells (TSLCs) following the established protocol for deriving trophoblast stem cells (TSCs) from the villous trophoblast of human first-trimester placenta. To understand the transcriptional properties of individual TSLCs, we obtained the gene expression profile from single cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE284317 | GEO | 2025/05/31

REPOSITORIES: GEO

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Gene expression profile of embryonic stem cell-derived TS-like cells by RNA-sequencing

Project description:Human embryonic stem cells (ESCs) were differentiated into GATA3-expressing extraembryonic cells (GATA3+ ExE cells) by exposure to chemical inhibitors targeting ACTIVIN/NODAL (A83-01, 1uM) and FGF signaling (PD03714, 100nM). Using these GATA3-expressing cells as a starting material, we established trophoblast stem-like cells (TSLCs) following the established protocol for deriving trophoblast stem cells (TSCs) from the villous trophoblast of human first-trimester placenta. To characterize the resulting ESC-derived TSLCs, RNA sequencing was conducted, allowing comparisons with the parental ESCs and previously published TSCs.

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Gata3 acts alongside Cdx2 to promote trophoblast gene expression downstream of Tead4 during mouse development

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Human cytotrophoblast organoids

Project description:Human cytotrophoblast organoid cultures were established from the villous trophoblast of first trimester placentas. We analyzed the global expression profile of the cytotrophoblast organoids (CTB-ORG) and compared to the profile of the tissue of origin i.e. villous cytotrophoblast (vCTB) as well as to differentiated syncytiotrophoblast (STB) and placental fibroblasts (FIB).

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Project description:The placenta establishes a maternal–fetal exchange interface which ensures transportation of nutrients and gases between the mother and the fetus. A critically conserved step in the establishment of this exchange surface in mammals is the fusion of trophoblast cells into a multinucleated syncytiotrophoblasts (SynT). In mice, SynTs develop via differentiation of the labyrinth trophoblast progenitors (LaTP) of the developing placenta, and in humans, SynTs develop via differentiation of villous cytotrophoblast (CTB) progenitors. Despite being an indispensable step for mammalian development in utero, conserved molecular mechanisms that ensure SynT development are poorly understood. Herein, we show that GATA2 and GATA3 (GATA factors) plays an essential role in labyrinth trophoblast progenitors (LaTPs) thereby committing these cells towards the SynT differentiation program. Mature syncytial layer specific immunostaining with established markers, and ultrastructure analysis of the labyrinth revealed that the loss of GATA factors was impairing the formation of mature SynT cells. We therefore focused our attention on the status of the labyrinth progenitor trophoblast cells in the GATA DKO vs the control placentae. To do that we performed single cell RNA Sequencing (scRNA-Seq) with E9.5 control and Gcm1Cre GATA KO placentae.

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Cut and run analysis in human trophoblast stem cells (CT27) upon pulling down with GATA2 and GATA3 antibody

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