Pivotal periods for pregnancy loss during the first trimester of gestation in lactating dairy cows
Loss of pregnancy can occur at many different stages of gestation and for a variety of causes
but clearly produces a negative impact for reproductive and economic performances of dairy …
but clearly produces a negative impact for reproductive and economic performances of dairy …
Genome activation in bovine embryos: review of the literature and new insights from RNA sequencing experiments
A Graf, S Krebs, M Heininen-Brown… - Animal reproduction …, 2014 - Elsevier
Maternal-to-embryonic transition (MET) is the period in early embryonic development when
maternal RNAs and proteins stored in the oocyte are gradually degraded and transcription …
maternal RNAs and proteins stored in the oocyte are gradually degraded and transcription …
Mechanism of spindle pole organization and instability in human oocytes
C So, K Menelaou, J Uraji, K Harasimov, AM Steyer… - Science, 2022 - science.org
Human oocytes are prone to assembling meiotic spindles with unstable poles, which can
favor aneuploidy in human eggs. The underlying causes of spindle instability are unknown …
favor aneuploidy in human eggs. The underlying causes of spindle instability are unknown …
Neuronal subtypes and diversity revealed by single-nucleus RNA sequencing of the human brain
The human brain has enormously complex cellular diversity and connectivities fundamental
to our neural functions, yet difficulties in interrogating individual neurons has impeded …
to our neural functions, yet difficulties in interrogating individual neurons has impeded …
Piwi proteins and piRNAs in mammalian oocytes and early embryos
Germ cells of most animals critically depend on piRNAs and Piwi proteins. Surprisingly,
piRNAs in mouse oocytes are relatively rare and dispensable. We present compelling …
piRNAs in mouse oocytes are relatively rare and dispensable. We present compelling …
Reproductive physiology of the heat-stressed dairy cow: implications for fertility and assisted reproduction
PJ Hansen - Animal Reproduction, 2019 - SciELO Brasil
Heat stress causes a large decline in pregnancy success per insemination during warm
times of the year. Improvements in fertility are possible by exploiting knowledge about how …
times of the year. Improvements in fertility are possible by exploiting knowledge about how …
An oviduct-on-a-chip provides an enhanced in vitro environment for zygote genome reprogramming
MAMM Ferraz, HS Rho, D Hemerich… - Nature …, 2018 - nature.com
Worldwide over 5 million children have been conceived using assisted reproductive
technology, and research has concentrated on increasing the likelihood of ongoing …
technology, and research has concentrated on increasing the likelihood of ongoing …
H3K9 demethylase KDM4E is an epigenetic regulator for bovine embryonic development and a defective factor for nuclear reprogramming
X Liu, Y Wang, Y Gao, J Su, J Zhang, X Xing… - …, 2018 - journals.biologists.com
Aberrant epigenetic reprogramming often results in developmental defects in somatic cell
nuclear transfer (SCNT) embryos during embryonic genome activation (EGA). Bovine eight …
nuclear transfer (SCNT) embryos during embryonic genome activation (EGA). Bovine eight …
Transcriptional profiles of bovine in vivo pre-implantation development
Background During mammalian pre-implantation embryonic development dramatic and
orchestrated changes occur in gene transcription. The identification of the complete changes …
orchestrated changes occur in gene transcription. The identification of the complete changes …
Formation of spermatogonia and fertile oocytes in golden hamsters requires piRNAs
PIWI-interacting RNAs (piRNAs) support the germline by suppressing retrotransposons.
Studies of the pathway in mice have strongly shaped the view that mammalian piRNAs are …
Studies of the pathway in mice have strongly shaped the view that mammalian piRNAs are …