Name: mTOR activity paces human blastocyst stage developmental progression (data set 2)
Keywords: Pausing embryonic development

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MTOR activity paces human blastocyst stage developmental progression (data set 2)

ABSTRACT: Many mammals can temporally uncouple conception from parturition by pacing down their development around the blastocyst stage. In mice, this dormant state is achieved by decreasing the activity of the growth-regulating mTOR signaling pathway1. It is unknown whether this ability is conserved in mammals in general and in humans in particular. Here we show that decreasing the activity of the mTOR signaling pathway induces human pluripotent stem cells (hPSCs) and blastoids to enter a dormant state with limited proliferation, developmental progression, and capacity to attach to endometrial cells. These in vitro assays show that, similar to other species, the ability to enter dormancy is active in human cells around the blastocyst stage and is reversible at both functional and molecular levels. The pacing of human blastocyst development has potential implications for reproductive therapies.

INSTRUMENT(S): timsTOF SCP

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Embryonic Stem Cell

SUBMITTER: David Meierhofer

LAB HEAD: Aydan Bulut-Karslioglu

PROVIDER: PXD036258 | Pride | 2024-09-26

REPOSITORIES: Pride

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			Action	DRS
	DiaNN__hES.zip	Other
	DiaNN__mES.zip	Other
	original__hES.7z	Other
	original__mES.7z	Other

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mTOR activity paces human blastocyst stage developmental progression (data set 1)

Project description:Many mammals can temporally uncouple conception from parturition by pacing down their development around the blastocyst stage. In mice, this dormant state is achieved by decreasing the activity of the growth-regulating mTOR signaling pathway1. It is unknown whether this ability is conserved in mammals in general and in humans in particular. Here we show that decreasing the activity of the mTOR signaling pathway induces human pluripotent stem cells (hPSCs) and blastoids to enter a dormant state with limited proliferation, developmental progression, and capacity to attach to endometrial cells. These in vitro assays show that, similar to other species, the ability to enter dormancy is active in human cells around the blastocyst stage and is reversible at both functional and molecular levels. The pacing of human blastocyst development has potential implications for reproductive therapies.

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