Ri8CLC induction enables blastoid formation even in the absence of MEK inhibition, TGF-β/Activin/Activin/Nodal inhibition and exogenous LIF, revealing a developmental competence consistent with an early embryonic state and providing a tractable model for studying early human embryogenesis.
The approach provides a valuable model for studying human early embryogenesis, particularly the molecular events surrounding ZGA, and is expected that an individual with ~1 year of experience working with human PSC culture would be able to carry out this protocol.
Md. Abdul Mazid, Yun-Pan Li, Min-Die Zhao et al.· Nature Protocols· 0 citations
It is shown that among the six Pcgf paralogs, Pcgf5, which is most prominently upregulated in 2CLCs and forms an MERVL-driven chimeric transcript (Pcgf5MT2C_Mm) during ZGA in 2-cell embryos, controls exit from the 2C-like state in mouse ESCs.
Satoshi Mashiko, Shinnosuke Honda, Shunta Ikeda et al.· Biochemical and Biophysical...· 0 citations
Two-cell-like cells (2CLCs), a rare totipotent-like population within mouse embryonic stem cells (mESCs) cultures, serve as a valuable model for studying early embryonic events like zygotic genome activation. However, the molecular mechanisms restraining their spontaneous emergence remain elusive. Here, we identify Msl...
Yu-Qing Zhu, Shuo Cao, Qing-Ying Wang et al.· Stem Cells· 0 citations
This work identified several previously unreported features of CellREADR, including RNA interference induced by double-strand RNA formation that is obligatorily generated during the normal operation of the CellREADR system, and established its application for long-term labeling of mSSCs and monitoring mSSC differentiat...
Shuai-Tao Hu, Lin Yan, Gulistan Khan et al.· BioTech· 0 citations
Zygotic genome activation (ZGA) marks the initial transcription event in embryogenesis, yet the cis-regulatory mechanism remains unclear. Here, utilizing massively parallel reporter assays, we functionally dissect enhancers across mouse genome in DUX-induced 2C-like cells (2CLCs). Through integrated analysis with epige...
The cell cycle phase is the major source of variability in transcription within a division cycle, and combining this with the analysis of key transcription factors and chromatin modifier state enables accurate prediction of transcriptional output during zygotic genome activation in individual cells.
Max Hess, M. Wyss, Edlyn Wu et al.· Nature Communications· 0 citations
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