The function of cumulus cells in oocyte growth and maturation and in subsequent ovulation and fertilization

B Turathum, EM Gao, RC Chian - Cells, 2021 - mdpi.com
Cumulus cells (CCs) originating from undifferentiated granulosa cells (GCs) differentiate in
mural granulosa cells (MGCs) and CCs during antrum formation in the follicle by the …

Tetraspanins, more than markers of extracellular vesicles in reproduction

J Jankovičová, P Sečová, K Michalková… - International Journal of …, 2020 - mdpi.com
The participation of extracellular vesicles in many cellular processes, including reproduction,
is unquestionable. Although currently, the tetraspanin proteins found in extracellular vesicles …

A bioprosthetic ovary created using 3D printed microporous scaffolds restores ovarian function in sterilized mice

MM Laronda, AL Rutz, S Xiao, KA Whelan… - Nature …, 2017 - nature.com
Emerging additive manufacturing techniques enable investigation of the effects of pore
geometry on cell behavior and function. Here, we 3D print microporous hydrogel scaffolds to …

The RNA m6A reader YTHDF2 is essential for the post-transcriptional regulation of the maternal transcriptome and oocyte competence

I Ivanova, C Much, M Di Giacomo, C Azzi, M Morgan… - Molecular cell, 2017 - cell.com
YTHDF2 binds and destabilizes N 6-methyladenosine (m 6 A)-modified mRNA. The extent to
which this branch of m 6 A RNA-regulatory pathway functions in vivo and contributes to …

Acquisition of oocyte competence to develop as an embryo: integrated nuclear and cytoplasmic events

M Conti, F Franciosi - Human reproduction update, 2018 - academic.oup.com
Infertility affects~ 7% of couples of reproductive age with little change in incidence in the last
two decades. ART, as well as other interventions, have made major strides in correcting this …

Extracellular vesicles: roles in gamete maturation, fertilization and embryo implantation

R Machtinger, LC Laurent… - Human reproduction …, 2016 - academic.oup.com
BACKGROUND Extracellular vesicles (EVs) are membrane-bound vesicles, found in
biofluids, that carry and transfer regulatory molecules, such as microRNAs (miRNAs) and …

Oocyte maturation: gamete-somatic cells interactions, meiotic resumption, cytoskeletal dynamics and cytoplasmic reorganization

G Coticchio, M Dal Canto… - Human reproduction …, 2015 - academic.oup.com
BACKGROUND In a growth phase occurring during most of folliculogenesis, the oocyte
produces and accumulates molecules and organelles that are fundamental for the …

Genetic mechanisms of fertilization failure and early embryonic arrest: a comprehensive review

Y Wei, J Wang, R Qu, W Zhang, Y Tan… - Human …, 2024 - academic.oup.com
BACKGROUND Infertility and pregnancy loss are longstanding problems. Successful
fertilization and high-quality embryos are prerequisites for an ongoing pregnancy. Studies …

[HTML][HTML] Melatonin improves the quality of maternally aged oocytes by maintaining intercellular communication and antioxidant metabolite supply

H Zhang, C Li, D Wen, R Li, S Lu, R Xu, Y Tang, Y Sun… - Redox Biology, 2022 - Elsevier
In mammalian ovaries, oocytes are physically coupled to somatic granulosa cells, and this
coupling is crucial for the growth and development of competent oocytes as it mediates the …

Primary ovarian insufficiency

M De Vos, P Devroey, BCJM Fauser - The Lancet, 2010 - thelancet.com
Primary ovarian insufficiency is a subclass of ovarian dysfunction in which the cause is
within the ovary. In most cases, an unknown mechanism leads to premature exhaustion of …