Results 61 to 70 of about 24,147 (238)

Revealing cell populations catching the early stages of human embryo development in naive pluripotent stem cell cultures

open access: yesStem Cell Reports, 2023
Summary: Naive human pluripotent stem cells (hPSCs) are defined as the in vitro counterpart of the human preimplantation embryo’s epiblast and are used as a model system to study developmental processes.
Marta Moya-Jódar   +13 more
doaj   +1 more source

Epithelial-mesenchymal transitions: the importance of changing cell state in development and disease [PDF]

open access: yes, 2009
The events that convert adherent epithelial cells into individual migratory cells that can invade the extracellular matrix are known collectively as epithelial-mesenchymal transition (EMT).
Akitaya   +49 more
core   +3 more sources

Single-Cell Landscape of Transcriptional Heterogeneity and Cell Fate Decisions during Mouse Early Gastrulation

open access: yesCell Reports, 2017
Summary: The mouse inner cell mass (ICM) segregates into the epiblast and primitive endoderm (PrE) lineages coincident with implantation of the embryo. The epiblast subsequently undergoes considerable expansion of cell numbers prior to gastrulation.
Hisham Mohammed   +11 more
doaj   +1 more source

Major transcriptome re-organisation and abrupt changes in signalling, cell cycle and chromatin regulation at neural differentiation in vivo [PDF]

open access: yes, 2014
Here, we exploit the spatial separation of temporal events of neural differentiation in the elongating chick body axis to provide the first analysis of transcriptome change in progressively more differentiated neural cell populations in vivo.
Abranches   +57 more
core   +5 more sources

Controlling Intestinal Organoid Polarity using Synthetic Dynamic Hydrogels Decorated with Laminin‐Derived IKVAV Peptides

open access: yesAdvanced Healthcare Materials, EarlyView.
Design rules are presented to control intestinal organoid polarity in fully synthetic hydrogels. The laminin‐derived IKVAV sequence is crucial to obtain correct intestinal organoid polarity. Increasing hydrogel dynamics further supports the growth of correctly polarized intestinal organoids, while a bulk level of stiffness (G’ ≈ 0.7 kPa) is crucial to ...
Laura Rijns   +10 more
wiley   +1 more source

MCRS1 is essential for epiblast development during early mouse embryogenesis.

open access: yesReproduction, 2020
Microspherule protein 1 (MCRS1, also known as MSP58) is an evolutionarily conserved protein that has been implicated in various biological processes. Although a variety of functions have been attributed to MCRS1 in vitro, mammalian MCRS1 has not been ...
Wei Cui   +6 more
semanticscholar   +1 more source

Direct comparison of distinct naive pluripotent states in human embryonic stem cells [PDF]

open access: yes, 2017
Until recently, human embryonic stem cells (hESCs) were shown to exist in a state of primed pluripotency, while mouse embryonic stem cells (mESCs) display a naive or primed pluripotent state.
Chuva de Sousa Lopes, Susana Marina   +18 more
core   +1 more source

Depletion of Sorcs3 Activates Totipotency in Mouse Embryonic Stem Cells by Modulating Key Signaling Pathways

open access: yesAdvanced Science, EarlyView.
In this article, Shuai and colleagues found that depletion of Sorcs3 could activate totipotency in mESCs, promising bidirectional differentiation potential to embryonic and extraembryonic lineages. The underlying mechanism might be activation of Tfap2c and repression of TGF‐β, PI3K‐AKT, and lysosome pathways.
Wenhao Zhang   +12 more
wiley   +1 more source

Asymmetry in the frequency and position of mitosis in the mouse embryo epiblast at gastrulation

open access: yesEMBO Reports, 2020
At gastrulation, a subpopulation of epiblast cells constitutes a transient posteriorly located structure called the primitive streak, where cells that undergo epithelial–mesenchymal transition make up the mesoderm and endoderm lineages.
Navrita Mathiah   +7 more
semanticscholar   +1 more source

Loss of the Otx2-Binding Site in the Nanog Promoter Affects the Integrity of Embryonic Stem Cell Subtypes and Specification of Inner Cell Mass-Derived Epiblast

open access: yesCell Reports, 2016
Mouse embryonic stem cells (ESCs) and the inner cell mass (ICM)-derived epiblast exhibit naive pluripotency. ESC-derived epiblast stem cells (EpiSCs) and the postimplantation epiblast exhibit primed pluripotency.
Dario Acampora   +8 more
doaj   +1 more source

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