YAP/TAZ signaling in allantois-derived cells is required for placental vascularization

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Item Type:	Preprint
Title:	YAP/TAZ signaling in allantois-derived cells is required for placental vascularization
Creators Name:	Gao, S., Thillaikumaran, T., Dominguez, M.H., Giang, W., Hayes, K., Chen, X., Pace, J., Bockman, J., Jathan, D., Sung, D., Narayan, S., Frankfurter, M., Mericko-Ishizuka, P., Yang, J., Castro, M., Potente, M. and Kahn, M.L.
Abstract:	Normal placental development and angiogenesis are crucial for fetal growth and maternal health during pregnancy. However, molecular regulation of placental angiogenesis has been difficult to study due to a lack of specific genetic tools that isolate the placenta from the embryo and yolk sac. To address this gap in knowledge we recently developed Hoxa13(Cre) mice in which Cre is expressed in allantois-derived cells, including placental endothelial and stromal cells. Mice lacking the transcriptional regulators Yes-associated protein (YAP) and PDZ-binding motif (TAZ) in allantois-derived cells exhibit embryonic lethality at midgestation with compromised placental vasculature. snRNA-seq analysis revealed transcriptional changes in placental stromal cells and endothelial cells. YAP/TAZ mutants exhibited significantly reduced placental stromal cells prior to the endothelial architectural change, highlighting the role of these cells in placental vascular growth. These results reveal a central role for YAP/TAZ signaling during placental vascular growth and implicate Hoxa13 -derived placental stromal cells as a critical component of placental vascularization.
Keywords:	Hippo Signaling, Placenta, Endothelial Cells, Stromal Cells, Lightsheet, Animals, Mice
Source:	bioRxiv
Publisher:	Cold Spring Harbor Laboratory Press
Article Number:	2024.09.15.613151
Date:	16 September 2024
Official Publication:	https://doi.org/10.1101/2024.09.15.613151

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