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Advanced maternal age is a key factor in female infertility, primarily due to declines in ovarian reserve and oocyte quality. However, the metabolic mechanisms underlying reproductive aging are still poorly understood. Here, we show that uridine levels in the plasma and ovaries of aged mice are s...

2026-03-03 | MTBLS13957 | MetaboLights
There is massive destruction of transcripts during maturation of mouse oocytes. The objective of this project was to identify and characterize the transcripts that are degraded versus those that are stable during the transcriptionally silent germinal vesicle (GV)-stage to metaphase II (MII)-stage t...
ORGANISM(S): Mus musculus 
Meiotic maturation is an intricate and precisely regulated process orchestrated 32 by various pathways and numerous proteins. However, little is known about the 33 proteome landscape during oocytes maturation. Here, we obtained the temporal 34 proteomic profiles of mouse oocytes during in vivo ma...
ORGANISM(S): Mus Musculus 
2022-05-26 | PXD034150 |
Fully grown oocytes remain transcriptionally quiescent, yet many maternal mRNAs are synthesized and retained in growing oocytes. We now know that maternal mRNAs are stored in a structure called the mitochondria associated ribonucleoprotein domain (MARDO). But the components and functions of MARDO re...
ORGANISM(S): Mus musculus (Mouse) 
2023-10-17 | PXD042761 | Pride
RNA-sequencing of pig oocyte throughout meiotic maturation
In cattle, almost all fully grown vesicle stage oocytes (GV) have the ability to resume meisos, develop to Metaphase II stage (MII), support fertilization and progress through the early embryonic cycles in vitro. Yet without intensive selection, the majority fail to develop to the blastocyst stage. ...
ORGANISM(S): Bos taurus 
Oocyte maturation is accompanied by a transition from mRNA stability to instability. We investigated the role of DCP1A and DCP2, proteins responsible for mRNA decapping, in mRNA destabilization during mouse oocyte maturation. siRNA-mediated knockdown of both Dcp1a and Dcp2 transcripts prior to ini...
ORGANISM(S): Mus musculus 
Oocyte maturation, fertilization, and early embryonic development occur in the absence of gene transcription. Therefore, it is critical to understand at a global level the post-transcriptional events that are driving these transitions. Here, we have used a systems approach by combining polysome mRNA...
ORGANISM(S): Mus musculus 
Transcriptional profile associated with human oocyte meiotic maturation
An extended meiotic prophase is a hallmark of oogenesis. Hormonal signaling activates the CDK1/cyclin B kinase to promote oocyte meiotic maturation, which involves nuclear and cytoplasmic events. Nuclear maturation encompasses nuclear envelope breakdown, meiotic spindle assembly, and chromosome segr...
ORGANISM(S): Caenorhabditis elegans 
2017-06-16 | PXD006726 | Pride
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