Quantitative morphokinetic parameters identify novel dynamics of oocyte meiotic maturation and cumulus expansion

C Suebthawinkul, E Babayev, LT Zhou… - Biology of …, 2022 - academic.oup.com
Meiotic maturation and cumulus expansion are essential for the generation of a
developmentally competent gamete, and both processes can be recapitulated in vitro. We …

[HTML][HTML] Morphokinetic parameters of mouse oocyte meiotic maturation and cumulus expansion are not affected by reproductive age or ploidy status

C Suebthawinkul, E Babayev, HC Lee… - Journal of Assisted …, 2023 - Springer
Introduction Morphokinetic analysis using a closed time-lapse monitoring system
(EmbryoScope+™) provides quantitative metrics of meiotic progression and cumulus …

[HTML][HTML] The severity of meiotic aneuploidy is associated with altered morphokinetic variables of mouse oocyte maturation

Y Zhu, CR Kratka, J Pea, HC Lee… - Human …, 2024 - academic.oup.com
STUDY QUESTION Is there an association between morphokinetic variables of meiotic
maturation and the severity of aneuploidy following in vitro maturation (IVM) in the mouse …

Cumulus cell contact during oocyte maturation in mice regulates meiotic spindle positioning and enhances developmental competence

SL Barrett, DF Albertini - Journal of Assisted Reproduction and Genetics, 2010 - Springer
Purpose To investigate the role of cumulus cell contact during oocyte maturation on meiotic
spindle assembly and the acquisition of developmental competence. Methods Cumulus …

Hormonal regulation of meiotic maturation in the hamster oocyte involves a cytoskeleton-mediated process

CE Plancha, DF Albertini - Biology of reproduction, 1994 - academic.oup.com
Maturation of the mammalian oocyte involves hormone-induced meiotic cell cycle
progression from prophase I to metaphase II and extrusion of the first polar body (PB). In this …

Meiotic maturation in cultured bovine oocytes is accompanied by remodeling of the cumulus cell cytoskeleton

AE Allworth, DF Albertini - Developmental biology, 1993 - Elsevier
Mammalian oocyte maturation and cumulus expansion are hormone-induced
contemporaneous processes that involve changes in cumulus cell shape and in the …

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 …

Factors affecting the resumption of meiotic maturation in mammalian oocytes

SM Downs - Theriogenology, 1993 - Elsevier
In most mammals, meiotic maturation is initiated near the time of biih when oogonia cease
proliferating and enter prophase I of meiosis. The germ cells, now referred to as oocytes …

Disruption of bidirectional oocyte-cumulus paracrine signaling during in vitro maturation reduces subsequent mouse oocyte developmental competence

CX Yeo, RB Gilchrist, M Lane - Biology of reproduction, 2009 - academic.oup.com
Oocyte-cumulus cell bidirectional communication is essential for normal development of the
oocyte and cumulus cells (CCs) within the follicle. We showed recently that addition of …

Treatment with cyclic adenosine monophosphate modulators prior to in vitro maturation alters the lipid composition and transcript profile of bovine cumulus–oocyte …

EM Razza, MJ Sudano, PK Fontes… - Reproduction …, 2018 - CSIRO Publishing
Mammalian oocytes resume meiosis spontaneously after removal from the ovarian follicle.
We tested the effects of a 2-h prematuration treatment (Pre-IVM) with forskolin (FSK) and 3 …