Aneuploidy in mammalian oocytes and the impact of maternal ageing

C Charalambous, A Webster, M Schuh - Nature Reviews Molecular Cell …, 2023 - nature.com
During fertilization, the egg and the sperm are supposed to contribute precisely one copy of
each chromosome to the embryo. However, human eggs frequently contain an incorrect …

The maternal-to-zygotic transition revisited

NL Vastenhouw, WX Cao, HD Lipshitz - Development, 2019 - journals.biologists.com
The development of animal embryos is initially directed by maternal gene products. Then,
during the maternal-to-zygotic transition (MZT), developmental control is handed to the …

OBOX regulates mouse zygotic genome activation and early development

S Ji, F Chen, P Stein, J Wang, Z Zhou, L Wang, Q Zhao… - Nature, 2023 - nature.com
Zygotic genome activation (ZGA) activates the quiescent genome to enable the maternal-to-
zygotic transition,. However, the identity of transcription factors that underlie mammalian …

Increased somatic mutation burdens in normal human cells due to defective DNA polymerases

PS Robinson, THH Coorens, C Palles, E Mitchell… - Nature …, 2021 - nature.com
Mutation accumulation in somatic cells contributes to cancer development and is proposed
as a cause of aging. DNA polymerases Pol ε and Pol δ replicate DNA during cell division …

[HTML][HTML] Chemical-induced chromatin remodeling reprograms mouse ESCs to totipotent-like stem cells

M Yang, H Yu, X Yu, S Liang, Y Hu, Y Luo, Z Izsvák… - Cell Stem Cell, 2022 - cell.com
Totipotent cells have more robust developmental potency than any other cell types, giving
rise to both embryonic and extraembryonic tissues. Stable totipotent cell cultures and …

CBP/p300 and HDAC activities regulate H3K27 acetylation dynamics and zygotic genome activation in mouse preimplantation embryos

M Wang, Z Chen, Y Zhang - The EMBO Journal, 2022 - embopress.org
Epigenome reprogramming after fertilization enables transcriptionally quiescent maternal
and paternal chromatin to acquire a permissive state for subsequent zygotic genome …

Profiling and functional characterization of maternal mRNA translation during mouse maternal-to-zygotic transition

C Zhang, M Wang, Y Li, Y Zhang - Science advances, 2022 - science.org
Translational regulation plays an important role in gene expression and function. Although
the transcriptional dynamics of mouse preimplantation embryos have been well …

NR5A2 connects zygotic genome activation to the first lineage segregation in totipotent embryos

F Lai, L Li, X Hu, B Liu, Z Zhu, L Liu, Q Fan, H Tian… - Cell Research, 2023 - nature.com
Zygotic genome activation (ZGA) marks the beginning of the embryonic program for a
totipotent embryo, which gives rise to the inner cell mass (ICM) where pluripotent epiblast …

Cis-regulatory chromatin loops arise before TADs and gene activation, and are independent of cell fate during early Drosophila development

SM Espinola, M Götz, M Bellec, O Messina, JB Fiche… - Nature …, 2021 - nature.com
Acquisition of cell fate is thought to rely on the specific interaction of remote cis-regulatory
modules (CRMs), for example, enhancers and target promoters. However, the precise …

Insights into epigenetic patterns in mammalian early embryos

R Xu, C Li, X Liu, S Gao - Protein & cell, 2021 - academic.oup.com
Mammalian fertilization begins with the fusion of two specialized gametes, followed by major
epigenetic remodeling leading to the formation of a totipotent embryo. During the …